A minotaur, a labyrinth, and a dubious restoration pull in visitors from around the world.

The oldest olive tree in Greece has been bearing fruit for at least 2,000 years.

1,500 Commonwealth servicemen of World War II are buried or commemorated in this cemetery.

The largest bell in the world has been swinging high above a Cologne cathedral for almost a century.

An industrial relic is now one of Europe's most staggering art spaces.

Pop culture has helped to keep this iconic British building from being destroyed.

Famously misunderstood wonder of the ancient world

Come for the flowers, stay for the bats!

Explore the complex ecology of this multifaceted nature preserve by riverboat.

The bunker where Hitler took his own life is hidden under this deliberately ordinary parking lot.

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

Twisted buildings adorn the banks of the Rhine river.

This futuristic German television spire is actually the world's largest digital clock.

Largest illuminated advertisement sign in the world.

This "floating railway" is one of the world's oldest monorail systems.

The West's first incursion into the Afghan world lies buried beneath a military base.

A bronze statue dating back as far as 1252, still has remnants of gold on its right cheek from ancient gilding.

An isolated dive site teeming with cnidarians.

The underground hideout of a Japanese soldier for whom World War II ended in 1972.

The land is home to swimming ponies and a legendary 18th-century treasure.

A local prank turned town icon.

These tourist trap caverns are said to be the former home of a legendary Pennsylvania Hermit.

What remains of the simple red brick chapel where the women's rights movement began.

Niagara Falls holds a special place in Nikola Tesla's history, so they put a statue on it.