Places Jochen Duckeck Wants to Go

An ancient tunnel in Jerusalem built to redirect water in the event of a siege is one of history’s great architectural innovations.

A sprawling ancient Jewish cemetery with over 30 rock-hewn burial caves.

Squeezing inside this deep, narrow canyon reveals a festival of desert colors.

An ancient quarry rediscovered by a dog and claimed by biblical kings, a German cult, and the Freemasons.

The bluer than blue waters in these natural Israeli caves are reached via the world's steepest cable car.

These numerous Israeli caves were dug out over hundreds years for reasons ranging from hideouts to burial sites.

You can row a boat through this ancient underground reservoir.

These 12th-century catacombs carved into a mountainside were a place of mysticism and Christian hermitages.

Austria's very first and only nuclear power station was completed but never used.

Fantastic stories on a miniature railroad.

This series of underground chambers contains Europe's largest subterranean lake that is slowly drained each day.

Ride a dragon train into a world of dwarves.

Vienna's underworld of tunnels and subterranean rivers made an iconic appearance in a 1949 Orson Welles film.

Beautiful Austrian natural history museum with carved ceilings and row after row of ancient taxidermy.

This Austrian museum celebrates the work of famous forgers and their inimitable imitations.

A spherical "micro-nation" in the heart of Vienna.

The crypt of the imposing Stephensdom holds royal intestines and thousands of skeletons.

A miraculous natural phenomenon known as "the spring that breathes."

Dedicated to the history of mining and minting in a region rich in silver and radium.

One of the oldest, well-preserved water treatment facilities in all of Europe.

Every part of this unusual home is built into the sandstone rock.

An army of sleeping knights sculpted by a self-taught local artist beautifully depict an old Czech legend.

The largest manmade caves in Europe now function as a motorbike club's headquarters.

A former top secret nuclear fallout shelter now operates like a hotel stuck in the Cold War.