This collection of ancient, mountaintop, underground tombs was once hidden by decades of bloodshed.

This Bogotá museum houses the world's largest collection of pre-Columbian gold relics.

Cathedral carved out of salt, located a mile below the earth's surface.

This colonial town in Colombia sits around the largest stone paved square in South America.

A museum built around a bus-sized fossil on the side of the highway.

Shop the world's largest number of ice cream flavors, ranging from delightful to downright bizarre.

Home to 23 voluptuous and instantly lovable sculptures by one of Latin America's most celebrated artists.

An ancient city hidden in the heart of the Sierra Nevada mountains.

The caldera of this mini-volcano has been turned into a naturally heated mud bath.

A headstone notes where the most famous of Robin Hood's legendary Merry Men is reportedly buried.

The design of the Palacio Salvo has been described as "a lighthouse on top of a building."

Some believe that the artist behind this whimsical statue inserted his own likeness as a way to discreetly flip the bird.

A bridge that has seen many reiterations over its lifetime.

These slanted cubic abodes are a creative if odd solution to a zoning pickle.

Old ships and machinery fill a historic harbor in the city that's home to Europe's largest port.

Four giant movable street lights decorate this modern Rotterdam square.

This ancient Roman bridge and aqueduct still stands as a wonder of classical construction.

This ancient theater was once the home of fierce gladiatorial battles.

A hugely vast Irish landscape of barren rock that stretches for miles.

The UK's oldest theme park slowly slips away.

Britain's only herd of free-ranging reindeer.

A Welsh sheep farm provides daily (non-sheep) meals to red kites, producing dazzling displays of aerial acrobatics.

A century-old tradition has culminated in a small but singular collection of feline effigies.

Once upon a time these giant concrete tanks were used by local fishermen to clean their wild-caught mussels.