At more than 5,000 years old, these structures are among the oldest free-standing stone buildings in the world.

This unique building in the main square stands out among the city's typically Baroque architecture.

The floor of this spectacular Baroque sanctuary is covered in memento mori.

This church is named for one of the most dramatic tales in the early Christian church.

Stone Age solar temple is aligned with the sun on each equinox and solstice.

The bomb-ravaged remains of of a colossal Neptune.

This amazing medieval fortress stands atop a promontory along the famous Cinque Terre.

This tiny chapel withstood a massive mudslide and flash flood.

Every year, the town of Menton, France, turns lemons and oranges into giant sculptures depicting windmills, dragons, and more.

This statue of the great Argentinian car driver is located near a famous curve of the Monaco Grand Prix.

This mountain trail inspired Nietzsche to complete his magnum opus.

A fortified palace in the shape of a ship on the Thiou river.

The world's largest second-hand graces a clock surrounded by constantly changing flower beds. 

Swiss vineyards in a UNESCO heritage site.

At 929 pounds and 26 feet tall, this stainless steel fork can only be used by the likes of King Kong.

This statue pays tribute to the iconic musician in the place where he recorded his final studio album.

Constructed along the shores of Lake Zurich, this pavilion is a walk-through work of art.

One of a series of no-purpose kinetic artworks by Swiss sculptor Jean Tinguely.

This historic covered bridge contains a series of macabre paintings that communicate one thing: everyone dies.

The Sighignola summit on the Swiss border offers views so breathtaking it's been named one of the most beautiful places in Italy.

The largest piece of the Berlin Wall in the Southern Hemisphere sits outside this German social club in a Canberra suburb.

See hundreds of herons and egrets in the heart of the city in this dreamy hidden park.

This picturesque island graveyard is the final resting place of dozens of notorious pirates.

On one of the world's most active volcanoes, a pebble-filled crater changes color with the wind.