247 Items Tagged

Subterranean

In California, every season is adventure season.

Explore California on Foot: Nature’s Year-Round Playground

Walks, hikes, and strolls that show off the state’s splendor.

Sponsored by Visit California

Iguazú Digital Waterfall

This 40-meter waterfall of light graces one of the most iconic stations in the Madrid metro network.

Lauterbrunnen, Switzerland

Trümmelbach Falls

Visit Europe's largest subterranean waterfall, carved by water from the glaciers of the towering peaks surrounding the valley.

21 Caves That Offer Otherworldly Experiences

From subterranean haunts filled with glowing larvae to the oldest cave system in the world.

Jonathan Carey May 31, 2024

Cueva de la Yedra

Villarrubia de Santiago, Spain

Cueva de la Yedra

This cave in the heart of La Mancha is full of esoteric secrets.

Ogbunike, Nigeria

Ogbunike Caves

Legend has it these caves were created by a deity called Ogba, who is said to live inside the winding subterranean caverns.

Podcast: Buffalo Bayou Park Cistern

This 90-year-old underground reservoir once held 15 million gallons of drinking water for the people of Houston.

The Podcast Team January 24, 2024

A parasitic fungus emerges from the body of a fly in Peru.

5 Creepy Tales of Real-World Zombies

And 10 places to wait out a (fictional) undead apocalypse.

April White October 20, 2023

Longhorn Cavern

An immense cave that has served as an outlaw's treasure trove, an underground dance hall, a nuclear fallout shelter, and much more.

Scientists explore the lava tube they have dubbed the "Red Cave" for its rusty hues.

Taking the First Steps Into a Newly Formed Volcanic Underworld

More than a year after a devastating eruption in the Canary Islands, a team is exploring a braided network of still-hot lava tubes.

Maya Wei-Haas July 19, 2023

The Cincinnati home of Quaker and abolitionist Levi Coffin, seen here around 1905, was a stop on the Underground Railroad.

The Underground Railroad Was the Ultimate Conspiracy to Southern Enslavers

And justified the most extreme responses.

Colin Dickey July 11, 2023

6 Ways To See Texas Below the Surface

How to explore the state’s caves, caverns, and fascinating geology.

Sponsored by Travel Texas

Jewel Cave

Deepdene, Australia

Jewel Cave

This ancient limestone cave system contains many impressive geological features.

There's still much scholars don't know about Villa. Even the exact year of her death remains a mystery.

The Female Architect Behind Buenos Aires's Underground Necropolis

Ítala Fulvia Villa oversaw the building of the colossal Sixth Pantheon—but history nearly erased her contributions.

Daniel Maurer March 8, 2023

Matthew Niemiller spotted the first Shelta Cave crayfish in more than 30 years when snorkeling in May 2019.

To Rediscover a Rare Cave Crayfish in Alabama, Grab a Snorkel

Thought for decades to be extinct, the tiny animal has stayed hidden in a former subterranean speakeasy.

Sarah Durn June 17, 2022

The Cincinnati Subway.

Podcast: The Cincinnati Subway

Join us for a daily celebration of the world’s most wondrous, unexpected, even strange places.

The Podcast Team June 14, 2022

Tamniah, Saudi Arabia

Al Yanfa

A network of tunnels runs underneath the buildings of this ancient village.

Mithraeum elements included a tauroctony, or depiction of Mithras sacrificing a bull.

An Ancient Roman Cult's Rituals Included Feasting, Fire, and Floor Cleaning

To uncover new clues about the secretive world of Mithraism, scientists considered evidence right at their feet.

Nathaniel Scharping May 13, 2022