A 2,000-year-old computer demonstrates remarkable engineering and astronomical precision.

A menagerie of concrete animals brought together from across New York City's parks.

At this barrel organ museum, history and live concert keep Dutch street organ culture alive.

Mysterious Spanish catacombs of unknown origins.

An ancient Roman snake god, carved expertly into stone.

This tile-work piece featuring a chicken riding in carriage is both a remarkable artistic creation and a social commentary of politics and culture in 17th-century Portugal.

Swirling layers of white and red rock earned these mountains their festive nickname.

The tomb of one of the greatest travelers in history.

A breathtaking and biodiverse wilderness in the mountain setting of Ernest Hemingway's "For Whom the Bell Tolls."

These magnificent city walls rise from the barren sun-baked Spanish plains like something straight out of a fairytale.

A reproduction of the famous prehistoric cave paintings is hidden underground at the National Archaeological Museum.

When you're a great Russian Tsar, even your vomit gets a statue.

The head of a legendary creature allegedly killed during colonial times is now on display at a local restaurant.

Tintin's creator is celebrated in an immersive museum that's an astounding work of modern art.

A tiny traditional village keeps an ancient method of beekeeping alive.

Part mural and part sculpture, this work of art sits in the middle of the Promenade, as if swimming in a river of asphalt towards the ocean.

Giant kites are flown during this Day of the Dead celebration in Guatemala.

This fantastical icy castle is built anew every winter.

This lonely rock has been turned into a character loved and feared by children.

This intricately spiralling forest was created as a monumental work of art.

An illuminated manuscript comprising the life's work of a lone monk, inexplicably decorated with a portrait of Satan himself.

Of the many chalices in the running for the Holy Grail, this one in Valencia Cathedral sure looks the part.

This museum started by a curious collector is now a place for believers and skeptics alike.

This red-eyed chrome beast pays homage to the popular modern myth of West Virginia's insectoid monster.