American soldiers discovered Europe's best one-liner at the end of World War II.

Swarovski's museum/theme park is a fake diamond fantasia overlooked by a giant.

Romans built the world's tallest artificial waterfall in 271 BC.

For hundreds of years, this huge figure has been blessing visitors before they explore his body.

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

An incredible mosaic-lined monument said to have held the remains of an ancient Roman empress.

A medieval, mosaic-lined baptistry built by a heretical Christian sect.

Psychoanalyst Carl Jung reported a paranormal experience after visiting this mosaic-lined Roman baptistry.

This domed temple was built in a hidden cave mouth as a refuge for sinners seeking absolution.

One Italian taxi driver covered his entire house in small seashells creating a weird bit of architecture that is preserved to this day.

Gigantic mosaic sculptures of the figures on Tarot cards fill this colorful Tuscan garden.

This immaculate and historic water garden culminates in a massive stone dining table with an inset fountain for chilling the wine of the Cardinal's guests.

Eighty million natural history specimens call this gargantuan museum home.

A statue marks the exact spot where The Boy Who Never Grows Up made his first literary appearance.

The popularity of Sherlock Holmes led to the creation of his fictional address, turning the orderly London street numbers askew.

These Egyptian statues have survived for 3,400 years and were an acoustic wonder of the ancient world.

Bioluminescence in the reefs of the Maldives causes the sea to glow like a starry night sky.

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

Sweden's "good old days" painstakingly re-created in a model village.

Early habitat dioramas and home of the elusive gaff, the skvader.

When this 18th-century observatory's meridian was moved, it set Sweden's time back by 0.04 seconds.

It houses the remains of a 17th-century version of the Titanic.

Partially collapsed lava tube and cave system complete with concert hall, underground pond, and unique albino crabs.

The chefs at El Diablo use heat generated by an active volcano to cook the food.