A whimsical bridge adorned with decorative dragons.

This Slovak bridge is known both for its connection to a national uprising and its UFO-shaped eatery.

Two stunning 17th-century libraries and a cabinet of curiosities.

Macabre astrological automaton clock dating to the late 1400s.

Monument to a suicide protesting the Soviet invasion.

This 1000 year old relic-filled cave monastery and UNESCO World Heritage Site also hosts an amazing micro-miniature museum.

340-foot statue built to honour the Heroes of the Soviet Union.

Housing the famous Norwegian ice-defying 19th century polar exploration ship.

Home to three historic ships from the age of Vikings.

One man's exploration of the human form, including the bizarre and delightful "Man Attacked by Babies."

Copenhagen's celebrated theme park and gardens.

Thousands of tourists and residents in Cologne affix "love padlocks" on the Hohenzollernbrücke Bridge to symbolize their affections.

A castle from the Holy Roman Empire that hosts traveling youth... in its stables.

Metro station with a claim to rock n' roll fame.

Berlin's natural history museum houses the world's largest mounted dinosaur and the late beloved polar bear Knut.

Cold war icon and onetime "hole" in the iron curtain.

The site of the famous Nazi book burning campaign of 1933 remembers its "Night of Shame".

An ancient Egyptian temple in the middle of Madrid, Spain.

The very center of Paris is surrounded by a bevy of strange good luck rituals.

Hear the quietest sound from across the dome.

One part local history, 99 parts gruesome haunted house.

The fairy tale castle of the "fairy-tale king."

These bronze pamphlets remember a remarkable group of Germans who fearlessly opposed the Nazis in the very center of their power.

Apartment complexes built into huge repurposed natural gas tanks.