680 Items Tagged

Subterranean Sites

The Rainbow

Montreal, Québec

Beaudry Metro

Montreal's colorful subway station shows its support of the local LGBT+ community.

Upper Cave

Jeita Grotto

A monumental underground karstic wonderland is also the water source for over a million citizens of Beirut.

The World's Longest and Deepest Tunnel to Open in Switzerland

It's a big deal.

Erik Shilling May 24, 2016

This Secret Tunnel Could Solve the Mysteries of an Ancient Mexican Civilization

Not much is known about Teotihuacán.

Erik Shilling May 19, 2016

Russia Built a Huge Tunnel to Save a Near-Extinct Group of Leopards

In the far eastern part of the country.

Erik Shilling May 10, 2016

Every Spring, Montana's Abandoned Mine Shafts Open Giant Holes in the Ground

A depression in the backyard could be an abandoned mine shaft hundreds of feet deep.

Sarah Laskow May 9, 2016

Orvieto Underground

Orvieto Underground

This picturesque Umbrian city has a subterranean side that has long remained hidden.

Inside the laboratory

Prague, Czechia

Speculum Alchemiae

The hidden lair of an alchemist rediscovered in a 2002 flood.

Hoyt-Schermerhorn Subway Station

Brooklyn, New York

Hoyt-Schermerhorn Subway Station

Michael Jackson got Bad and Crocodile Dundee walked on heads in this iconic Brooklyn subway station.

Found: Secret Tunnels Underneath Naples

Two geologists were tipped off by a 90-year-old man who sheltered there during World War II.

Sarah Laskow March 11, 2016

Hope, British Columbia

Othello Tunnels

Railways may have forged this quintet of lovely tunnels, but now they are open to hikers.

Found: A Secret Tunnel to India

It was the fourth discovered in the past four years.

Sarah Laskow March 4, 2016

The 19th Century ‘Show Caves’ That Became America’s First Tourist Traps

Novelists concocted elaborate fake histories for mysterious caves in Virginia.

Atlas Obscura March 2, 2016

Da Nang, Vietnam

Am Phu Cave

This Vietnamese hell cave lets visitors take a walk through a devilish underworld full of demons.

Crozet Tunnel (Waynesboro portal)

Afton, Virginia

Crozet Tunnel

A railroad tunnel that, upon its completion, was considered one of the engineering marvels of the modern world.

A view into Salina Turda

100 Wonders: The Underground Carnival

Dylan Thuras February 25, 2016

The Art of Ice Tunneling and the Army’s Failed Frozen Base

Sarah Laskow February 25, 2016

Torghatten

Brønnøy, Norway

Torghatten

A naturally occurring tunnel in this Nordic mountain makes it look like it's been shot.