A wunderkammer of mysterious objects and stories.

A tour of underground Berlin takes you through WWII air raid shelters and tunnels used to smuggle people out of East Germany.

A whimsical and twisted animatronic monster tour beneath the streets of Berlin.

The natural mummy of the less than chivalrous Knight Kahlbutz.

The world's most delightful not-NOT-religion welcomes visitors to the town of Templin, just like its more stoic peers.

Several of these strange cone-shaped bunkers can still be seen around the former Nazi headquarters.

The ruined remains of the airport Claus von Stauffenberg departed in his failed attempt to kill Adolf Hitler.

The 1936 Summer Olympics site is a crumbling remnant of sportsmanship and a history its host country would like to forget.

A quaint Russian village in the middle of a German metropolis.

An abandoned swimming pool decays on the outskirts of Berlin.

The final resting place of many of Germany's most famous communists.

Started as a kitchen garden, now the second largest botanical garden in the world.

A state-of-the-art medical facility from the Imperial era is now a derelict ruin.

An eerie, derelict amusement park in Berlin.

See the rare bloom of the "Queen of the Night" cactus at one of the world's largest succulent collections.

Cretean quarry suggests real-life site for ancient Greek myth of the man-eating Minotaur in his labyrinth.

Monasteries on rock pillars, once accessible only by frayed ropes.

Bloodstains can still be seen in this medieval church where two medics saved lives on D-Day.

The sign at the garden gate reads: "These Plants Can Kill."

A plaque commemorates the spot in the Oregon woods where the first-ever Geocache was hidden.

Stay in your own little bubble.

The world's highest and most dangerous infinity pool lies at the precipice of Victoria Falls.

A hollowed-out baobab that became the horrific final resting place of leprosy sufferers, with gruesome evidence to prove it.

Artifacts showcasing the witchy history of Zambia.