Walk inside a half mile long crevice right outside the town of Garmisch Partenkirchen.

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

Rome's ancient Etruscan rival, now a park full of ruins.

This Roman arch marks the location of an ancient gate at one of the Seven Hills of Rome.

The yawning maw of this pagan visage is said to bite off the hands of liars.

Oberweissbacher Bergbahn - a broad-gauged cable car capable transfering railcars.

A rare water-powered funicular, it uses a huge tank of water and gravity to do its work.

A Black Forest cuckoo clock theme park features one timepiece big enough to walk inside.

The site of a concentration camp where inmates were made to take part in one of the largest counterfeiting operations in history is now hauntingly empty.

This abandoned coliseum was intended to be a grand Nazi rallying ground before it was halted at the end of the war.

This Dresden church was purposely rebuilt Protestant after being demolished in World War II.

Thousands of coffin-like pillars make up this controversial Holocaust memorial.

A striking 12th-century-style castle built on the edge of a cliff.

Daily jousts and dancing barrel makers in Munich's mechanical clock.

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

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

The prototype for all Nazi concentration camps.

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

A small but immensely extravagant palace built by the "Night King."

Ruins of a German castle on top of a towering stone pillar.

The fairy tale castle of the “fairy-tale king,” this was also the inspiration for Disney’s “Sleeping Beauty.”

This abstract roadside poultry was saved from demolition by outraged drivers and pilots.

The Battle of Atlanta in 360 degrees, featuring a corpse that bears a striking resemblance to Clark Gable.

A natural history museum with an extensive collection of bird dioramas.