Happy Week ‘o Nature!

This is a busy week for nature lovers!

Wednesday, April 22nd is Earth Day, and Friday, April 24th is Arbor Day!

Of course, the typical way to celebrate is to attend events and plant trees.

My way of celebrating is to also update Cosma’s Nature pages.

Done! Links to the updated pages are below.

In the past I’ve also written posts for Earth Day.
Great Views of Earth
Perspectives on Earth

However, this year I decided to dust the cobwebs off of my Nature Center!

Click “doors” and objects to enter 360° experiences and “i”s for information about them.


You can also see it directly on Kuula.

Touch signs or use these links to enter Botanical Gardens Orangery, Hiking Trails Hall, Critter’s Hollow Refuge, and Natural History Museums).

Happy Earth Day and Arbor Day!

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Find out more about Earth Day and Arbor Day!

Earth Day (Official Site)
Earth Day 2026 Events (Official Site)
Earth Day Network (YouTube Channel)
Earth Day (Time & Date)
Earth Day (Wikipedia)

Arbor Day Foundation (Official Site)
Arbor Day Foundation (YouTube Channel)
Find an Arbor Day Celebration Near You (Celebrate Arbor Day)
Arbor Day (Time)
Arbor Day (Time & Date)
Arbor Day (Wikipedia)

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Find out more about Nature@Cosma

Earth
Sphere Land, Ice, Water (Ocean), Air, Life (Cell, Gene)
Ecosystem Forest, Grassland, Desert, Arctic, Aquatic

Tree of Life
Microorganism Virus
Prokaryote Archaea, Bacteria
Eukaryote Protist, Fungi, Algae, Protozoa (Tardigrade)
Plant Flower, Tree
Animal
Invertebrate
Cnidaria Coral, Jellyfish
Cephalopod Cuttlefish, Octopus
Crustacean Lobster, Shrimp
Arachnid Spider, Scorpion
Insect Ant, Bee, Beetle, Butterfly
Vertebrate
Fish Seahorse, Ray, Shark
Amphibian Frog, Salamander
Reptile Turtle, Tortoise, Dinosaur
Bird Penguin, Ostrich, Owl, Crow, Parrot
Mammal Platypus, Bat, Mouse, Rabbit, Goat, Giraffe, Camel, Horse, Elephant, Mammoth
Walrus, Seal, Polar Bear, Bear, Panda, Cat, Tiger, Lion, Dog, Wolf
Cetacean Whale, Dolphin
Primate Monkey, Chimpanzee

Hike the Web

Sunday, November 17th is National Hiking Day, and it’s one of my favorite “made up” holidays!

Here’s an inspirational video about it that includes a bit of nice history.

On This Day (YouTube Channel)
On This Day (Official Website)

Celebrating is easy — just take a hike, or a walk, if that’s more your speed.

The U.S. National Park Service maintains this handy map to help you find a place near you.

Find a Park Map (U.S. National Park Service)

Now, perhaps you are someone who needs a bit more inspiration than watching a video and clicking a link to find a park, or maybe you’re not in a position to take a hike or walk at all.

In that case, perhaps a “virtual” hike might help you celebrate. There are actually a surprising number of ways to take those on the Web.

For example, the U.S. National Park Service maintains a page for that, too.

Find Your “Virtual” Park (US National Park Service)

In addition, many of the parks’ websites have “Photos and Multimedia” pages that include “virtual” experiences. Here is an example from the Grand Canyon.

Grand Canyon Virtual Tours (US National Park Service)

There are also many 360° videos on YouTube that provide virtual visits to National Parks.

For example, Air Pano has made quite a few of them. Here are links to pages on their website for three of them. Their home page has a map where you can find more.

Grand Canyon National Park
Yellowstone National Park
Bryce Canyon National Park

Here’s another YouTube Channel with a long playlist of great videos.

National Parks Virtual Tours — 360° Immersive Travel Experiences (Odyssey Visual Media)

Of course, Google doesn’t just make it so that you can immerse yourself in YouTube videos — they are also behind Google Earth. Here’s their “virtual visit” to the Grand Canyon.

Grand Canyon (Google Earth)

There are also some neat custom made “virtual” experiences. Virtual Yosemite is an example. There is also a Virtual Yosemite Directory.

Finally, writing this post inspired me to create this 360° experience called Hiking Trails Hall.

Click the “doors” to enter 360° virtual parks and “i”s for information about them.

If you can’t see it, or it isn’t working, you can also see it directly on Kuula.

All of this nudged me to update the “nature” pages on Cosma. One thing led to another, and the next thing I knew, I was inspired to create this entire Nature Center with three other spaces to explore in addition to Hiking Trails Hall. Again, click “doors” to enter 360° experiences, “i”s for information about them, and arrows to go to other areas of the Nature Center. Some objects also link to fun 360° experiences.

If you can’t see it, or it isn’t working, you can also see it directly on Kuula.

Enjoy & Happy Hiking!

Learn more about nature

Speleological Wonders

I came across a cool 360° video about how biologist Naowarat Cheeptham has been searching for antibiotics in a cave.

Spelunking in Search of Antibiotics (New York Times, YouTube)

It’s an interesting story, and there’s a lot more about it in this article from Wired.

Inside the Slimy Underground Hunt for Humanity’s Antibiotic Saviour (Tom Ward, Wired)

What I didn’t expect was that a two minute excursion into a cave would turn into a fascinating journey into speleology. One thing just led to another, and that’s what happened.

It all started because the video and story about the cave reminded of my own experiences in Mammoth Cave. It’s in Kentucky, and I grew up in Indy — it wasn’t that far away, so I visited it numerous times over the years.

In case you’ve never been, here’s a link to a quick peek.

Nature: Mammoth Cave National Park (CBS Sunday Morning)

Each visit was a bit different, but the one thing that I remember most was that Mammoth Cave was billed as the largest cave on Earth. After many hours of tours, it felt like it, too.

Ha, what I saw hardly scratched the surface, literally and figuratively!

Check this video out!

International Mapping (YouTube Channel)

It was a bit mind-bending when they zoomed out to show the true scale of the place. Yet that was nothing compared to what I tripped across next.

It turns out that Mammoth Cave was the largest cave, but it’s not anymore.

That honor belongs to Son Doong Cave in Vietnam. It was “discovered” in 1991, but it wasn’t really explored until 2009. Wow, it’s positively Verne’esque — it even has a jungle!

Here’s a link to a video about how photographer and journalist Martin Edström went on a 360° photo expedition into the cave for National Geographic.

Journey Through the Largest Cave in the World Expedition Raw (National Geographic, YouTube)

Here’s a link to an interactive website where you can explore the results of the expedition.

Son Doong 360: Exploring the World’s Longest Cave (Martin Edström, National Geographic)

Here’s a link to another video with some awesome drone footage.

Drones Take You Inside Hidden World Live (Good Morning America, YouTube)

It’s worth noting that there are tensions surrounding tourism at Son Doong Cave. Here are links to a two part 360° video series about the issue.

Saving Son Doong: Part One (RYOT, YouTube)
Saving Son Doong: Part Two (RYOT, YouTube)

While it is hard to top Son Doong, I came across a number of other speleological marvels in my unexpected journey.

For example, speaking of Verne, here’s a link to some drone footage of a gorgeous ice cave in Vatnajokull National Park on the south coast of Iceland.

The Ice Cave – Drone Video from an Icelandic Ice Cave (Iceland 360VR)

Here’s a 360° video of another ice cave under Pemberton Icefield in British Columbia. Not surprisingly, the lifespan of such wonders in our current climate also comes up in the video.

360° Ice Cave Exploration Near Whistler, BC (Super, Natural British Columbia)

Here’s a 360° video by AirPano that shows a breathtaking time lapse of a sunset looking out of an ice cave at Baikal in Russia.

Watch the video below in 360° on YouTube here!

AirPano VR (YouTube Channel)
AirPano VR (Official Website)

That was mesmerizing, but there is a Giant Crystal Cave in Mexico made out of gypsum instead of ice that might be even more stunning to see. Unfortunately, you can’t.

Luckily here’s a video that shows a bit of what it looks like as well as explains why you really don’t want to see it in person.

Weird Places: Mexico’s Giant Crystal Cave (SciShow, YouTube)

I was bummed that I couldn’t find great footage of Crystal Cave. However, while searching for that, I found this fun 360° video of the Waitomo Glowworm Caves in New Zealand.

Glow Worm Caves of New Zealand in 360° (National Geographic, YouTube)

The Waitomo Glowworm Caves even have a whole YouTube channel dedicated to them!

Waitomo Glowworm Caves (YouTube Channel)

Near the end of my unexpected detour into caves, I found this neat 360° video and lesson about ancient cave paintings. It’s about art, creativity and communication. These are all near and dear to my heart, so I couldn’t resist including it.

Watch the video below in 360° on YouTube here!

TED-Ed (YouTube Channel)
ED-Ed (Official Website)

Explore Cave Paintings in This 360° Animated Cave (Iseult Gillespie, TED-Ed)

Finally, my unexpected journey ended with this fun, semi-off-topic, discovery 🙂

GoPro Awards: Epic Cloud Cave Wingsuit in Fusion Overcapture (GoPro, YouTube)

I hope you’ve enjoyed this speleological detour as much as I did. If you want to continue exploring caves on your own, here are some resources to get you started.

From the Biggest to the Longest, Five Amazing Caves To Visit (Natasha Geiling, Smithsonian.com)
Hidden Earth: The UK’s National Caving Conference and Exhibition
National Speleological Society

Find out more about Earth and its geology

Yellowstone, Beauty & Beast

If you have been Yellowstone National Park, then you know it is a vast, beautiful place with some fairly odd geologic features that smell bad, like rotten eggs. If you’ve never been there, then you might just have a fairly apocalyptic view of it because of the supervolcano under it that has been featured in disaster movies.

Here’s a link to a short short introduction about what is above and below the surface.

Yellowstone World’s First National Park (National Geographic, YouTube)

Very informative, and the last line is key.

It must be seen and experienced to be believed and enjoyed.

National Geographic also made a “Virtual Yellowstone” 360° video.

Virtual Yellowstone 360° – Zen-Out at Yellowstone National Park (Nat Geo WILD, YouTube)

Here’s a link to a more specific coverage about the most famous geyser, Old Faithful, along with the 200 others in the park.

Old Faithful from the Air (Smithsonian Channel)

Here’s a link to another clip from the Smithsonian Channel about the current scientific understanding of the volcano.

Why Yellowstone Supervolcano Could Be Huge (Smithsonian Channel)

You can find out more about Yellowstone on these websites.

Yellowstone National Park (National Park Service)
Yellowstone Volcano Observatory

You can also find out a ton more from these sources.

Yellowstone Supervolcano (Science News)
Yellowstone Supervolcano (Science Daily)
Yellowstone Supervolcano (Phys.org)
Yellowstone Volcano (JSTOR)
Yellowstone Volcano (NPR Archives)

Sometimes exploring news about Yellowstone can be interesting in unexpected ways. For example, I triped across a story about how studying life in Yellowstone’s toxic soup could help us find out if there’s life on Mars!

A Yellowstone guide to life on Mars (Michael Miller, Phys.org)

Neat stuff!

Find out more about Earth

Great Views of Earth

April 22nd is Earth Day! In honor of that, here are some great ways to see the honoree.

First, you can get a nice view from this neat 360° video from Seeker. It essentially shows you what it would feel like if you could just fly straight up and see the Earth from space.

Watch the video below in 360° on YouTube here!

Seeker VR (YouTube Channel)

National Geographic also just released a 360° video connected to their documentary series One Strange Rock that lets you see the Earth from the International Space Station (ISS).

Watch the video below in 360° on YouTube here!

National Geographic (YouTube Channel)
National Geographic (Official Website)

For a really, really extreme wide shot of Earth, there’s a relatively hot off the press snap from New Horizons. It was taken from about 3.79 billion miles away. Not surprisingly, this is the record for the furthest away a picture of Earth has ever been taken, and this video covers both the shot as well as some interesting context about how it was taken.

STM Daily News (YouTube Channel)
STM Daily News (Official Website)

Here are some more in-depth articles about the shot.

These Record-Breaking Pictures Were Taken by the Farthest Camera from Earth (Ben Guarino, Washington Post)
New Horizons Snaps Farthest Image Ever Taken From Earth (Jason Daley, Smithsonian Magazine)

Of course, the video paid a humble tribute to the iconic Pale Blue Dot (Planetary Society) image taken by Voyager 1 that was then made famous by this commentary by Carl Sagan.

CarlSaganDotCom (YouTube Channel)
Carl Sagan (Official Website)

Those are certainly some awe inspiring views of Earth! Along the way it is hard not to notice that NASA has a lot to do with all of those long shots.

As great as it is to have the pictures and the knowledge from the missions, it turns out that NASA keeps pretty busy taking care of our home planet, too. Here’s a lovely article that Forbes published for Earth Day that highlights the many ways that NASA is working to save the Earth.

The 19 Small Ways That NASA Will Try To Save The Earth (Ethan Siegel, Forbes)

Find out more about our planet Earth, getting to space as well as zooming in and out

Perspectives on Earth

Last week NASA released this fascinating video entitled Our Living Planet based upon 20 years of data from satellites that observe all plant life at the surface of the land and ocean.

NASA Goddard (YouTube Channel)
Goddard Space Flight Center (Official Website)

You can find out more about the video from this article.
The Changing Colors of our Living Planet (NASA)

Of course, releasing fantastic imagery like this is nothing new for NASA — they have a long and illustrious history of sharing iconic imagery to amaze and inspire people around the world.

The most famous image NASA ever shared is the photo known as Earthrise. It was taken by astronaut Bill Anders in 1968 during the Apollo 8 mission, and it was the first time a human ever saw the whole earth from space. Here is a video about the image that was released in 2013 on the image’s 45th anniversary.

NASA Goddard (YouTube Channel)
Goddard Space Flight Center (Official Website)

The next most famous image from NASA is probably The Blue Marble. It was taken from Apollo 17 in 1972. Here is a NASA video from 2015 that discusses the original image as well as newer imagery captured by the Deep Space Climate Observatory.

ScienceAtNASA (YouTube Channel)
NASA Science (Official Website)

These two images may be the most famous, but thanks to Carl Sagan, none has been more inspirational than the Pale Blue Dot. It was captured by Voyager 1, and here is a video of Sagan unveiling the photo in 1990.

The Planetary Society (YouTube Channel)
The Planetary Society (Official Website)

The press conference was inspiring, but it was actually the language that Sagan later used to frame the image that truly captures the imagination.

CarlSaganDotCom (YouTube Channel)
Carl Sagan (Official Website)

Of course, NASA continues to share awesome imagery from time to time. For example, back in 2012 they released Earth at Night. It is also sometimes called “The Black Marble,” and it is an animation of Earth’s city lights assembled from data from the Suomi NPP satellite.

NASA Goddard (YouTube Channel)
Goddard Space Flight Center (Official Website)

NASA also ran a campaign for Earth Day in 2014 that generated the Global Selfie.

NASA Jet Propulsion Laboratory (YouTube Channel)
NASA Jet Propulsion Laboratory (Official Website)

NASA has already released numerous 360° Videos related to other planets, so it is only a matter of time before they release an explorable 360° image or video of Earth. In the meantime you can enjoy this 360° Video created by the Opaque Media Group to promote their VR application Earthlight.

Watch the video below in 360° on YouTube here!

Opaque Media (YouTube Channel)

Find out more about Earth