A 250-year-old timepiece-automaton adorned with golden mechanical birds, which still sing to this day.

The past, present, and future of Russia's signature alcohol is remembered in the world's only museum dedicated to the starchy spirit.

The oldest museum in Russia is home to a fascinating collection of nearly two million anthropological artifacts and anatomical curiosities.

Palace where the nearly un-killable Rasputin was murdered.

This astonishingly geometric cave has inspired everyone from Jules Verne to Pink Floyd.

Rising from the sea like a stone monster.

Hundreds of lucky felines haunt the ruins where Caesar was murdered.

Makers and sellers of the original and finest York Ghosts.

Designed as a labyrinth, this subterranean prison was crafted without bars or doors.

This German bone house contains the remains of some 20,000 souls.

An abandoned swimming pool decays on the outskirts of Berlin.

An elevator into the Baltic Sea.

This little museum is making sure that the art and history of the graffiti sticker is not scraped from history.

A long spiraling walkway winds through the woods, and around a copper beech tree at the center.

Between Neo-Pagans and Neo-Nazis, these strange rock formations have a curious cult following and a very strange history.

Living trees form the structure of an open-air palace.

"The most colorful grottoes of the world.

When the rain falls, this drain system turns into a musical instrument.

Skeletons dressed in extravagant 18th century royal costumes cavort in the aisles of this German basilica.

Gardens representing parts of Asia, Europe, and the Mid East are tucked away among the Soviet-style buildings in East Berlin.

A fascinating insight into daily life in the Eastern Bloc.

This Berlin island is home to a flock of free-roaming peacocks, as well as a historic ivory folly.

A wunderkammer of mysterious objects and stories.

A museum dedicated to the history of a terrifying secret police is now held in their former headquarters.