Lady Liberty's original designer installed a little clone in this French fountain.

High in the clouds of San Marino sits an ancient tower with some curious prisoner graffiti.

The world’s highest ski resort was deserted after an 18,000-year-old glacier melted away.

"I did this all while you were watching TV."

The secret city built by the Manhattan Project.

Blue-green pools and smooth stones comprise one of Spain’s most idyllic hidden wonders.

This picturesque medieval monastery guards a small trove of historic treasures.

A subterranean Holocaust refuge within one of the world's longest cave systems.

Inside the Šomoška National Nature Reserve exists a unique rock formation rarely seen in the world.

An intact, still operating pharmacy from the 18th-century filled with numerous artifacts and paintings.

Hidden by the roadside in the Iya Valley, this gem brings together folk monsters and the region's unique geography.

Centuries of crashing waves carved out this small hole in the rock, which lights up at certain parts of the year.

The home made famous by the 1983 holiday classic is now a perfectly preserved shrine to the movie.

The island of Lanai in Hawai'i is a paradise for cats and cat lovers.

Museum celebrating the ocean, with the largest wunderkammer dedicated to sea exploration.

Legend has it that this bronze orb, which sat atop an ancient Egyptian obelisk, once held the ashes of Julius Caesar.

This Singaporean food-court stall was home to the world's cheapest Michelin-starred meal.

This 5,300-year-old tomb with mysterious carvings crowns an Irish mountain.

These historic defenses ensured the city within would survive hundreds of years of occupations, sieges, and invasions.

This small city where almost everyone lives in the same building can only be reached via North America's longest tunnel.

Small church on top of a huge rock column.

The Earth's saltiest natural body of water belches toxic gas.

A 66-million-year-old rock formation stands tall over Mumbai, offering stellar city views.

This historic cemetery was inaccessible for several years due to dozens of land mines.