Places Jochen Duckeck Wants to Go

A remote, centuries-old underground mosque with a lunar aesthetic.

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

Strange rock formations tower above the river that snakes through this enchanting Icelandic canyon.

A natural rock bridge towers above the sea.

It's said that visitors can "see" Tasmania inside this cave.

Raging waters have created a strange geological site that looks like something off of a progressive rock album cover.

A massive natural rock arch gives the Tuscan mountain its own window to the sky.

Inside the Wayne County airport is an amazing collection of lights and sounds.

A cave that was home to humans 160 thousand years ago.

Near Birmingham, England three and a half miles of top-secret tunnels housed a World War II “shadow factory” and a Cold War nuclear bunker.

The crumbling structure is a rare surviving relic of the area's bygone mining industry.

A seven-story wooden coal tipple stands this former mine, the last of many that once covered this area.

Featuring a Loretta Lynn display and a re-created coal mine exhibit.

A literal in-depth look at one of the United States' most cherished coal mines and the questionable working conditions of its laborers

A glimpse into Taiwan's coal-mining past.

Air-raid tunnels hidden beneath this opulent hotel provided shelter and an escape route—and one of the world's longest slides.

An off-the-beaten path cave with an underground lake.

It is said that coins washed in the waters here will miraculously multiply.

The world’s largest museum dedicated to mining, complete with an underground show cave.

A tunnel commissioned by ‘the Intruder King’ to escape from the palace if there were problems.

Discover this sandstone alcove, a geologic wonder in southern Utah, that continues to slowly shape shift.

A natural bridge formed by limestone travertines in Armenia's Vorotan River Canyon.

See one of the earliest depictions of a Christian ceremony – with a woman at the center!

An intricate network of underground tombs carved into volcanic rock.