This decommissioned nuclear power plant offers tours of its Communist-era control room and reactor hall.

Slaughterhouse Five opens its dank doors to fans of Kurt Vonnegut.

Soaring over 6,000 feet in the Bavarian Alps, this beer garden was once Hitler's 50th birthday present.

A fascinating insight into daily life in the Eastern Bloc.

This medieval castle overlooking the Elzbach river looks just like it did hundreds of years ago.

This jaw-dropping 19th-century bridge uses its reflection to form what appears to be a perfect circle.

A once-fairy tale mansion now stands in a state of disrepair.

A unique hotel for the artistic soul.

This unique wooden mosque resembling a Chinese pagoda was said to be built without the use of nails.

Submerged trees jut ghost-like out of an idyllic turquoise mountain lake.

This village was once a thriving Soviet uranium mining center, but is now semi-abandoned and desolate.

A boulder carved into the shape of the cosmonaut's head.

Stelae-eyed stones greet visitors to a corner of Kirov Park.

A Stalinist prison camp for the wives and children of men accused of betraying the Soviet state is now a memorial museum.

A collection of Lenin busts and other Soviet Era statues sit idly behind the Semipalatinsk Hotel.

Avenue of trees planted by cosmonauts before their space departures.

World's oldest and largest space launch facility, once a secret missile testing site.

Rusting ships sit in a desert where a sea used to be.

Extremely isolated Silk Road caravanserai in the middle of nowhere.

Traditional Danish spot where the schnapps are flowing and the smørrebrød is loaded.

This contemplative sculpture made out of old machine parts is meant to be the first in a series of sculptures around the world.

Once a meeting point for great thinkers, and the midpoint of the country.

The final resting place of one of the brightest physicists of the 20th century.

The final resting place of the author who gave us the Little Mermaid, the Ugly Duckling, and many more beloved fairy tales.