A 16th-century horror show built in a lovely Italian garden.

This dazzling Buddhist temple was constructed from over one million ceramic tiles salvaged from a British shipwreck.

Hundreds of stone stairs and a winding medieval bridge connect this haunting Spanish island to the mainland.

Village situated on a narrow volcanic escarpment.

Stunning Roman aqueduct used for 1900 years and still standing.

This macabre masterpiece of a mural is one of Francisco Goya's "Black Paintings."

An ancient Egyptian temple in the middle of Madrid, Spain.

This geometric feat is a testament to the Incas' mesmerizing architectural abilities.

Built to give thanks for the passing of a plague epidemic, this cathedral is a one-of-a-kind architectural hybrid.

The outside of this exposed Moche pyramid is covered with striking colorful adobe friezes.

The large collection of pre-Columbian pottery might make you blush.

Hundreds of mummies in a silent room, some with eerily pained expressions preserved on their faces.

An Archaeological Wonder of Peru, and the largest stone ruin site in the New World.

Did Inca children also slide down these smooth rocky slopes above Cusco?

Death rituals and sacrifice inside a Peruvian megalith.

This Peruvian canyon is filled with geometric salt pools that have been being harvested since the Incan empire.

One of the world's tallest waterfalls wasn't revealed to the world at large until 2006.

An unexpected desert oasis in South America.

Huge stone depressions which may have acted as an Incan agricultural experiment.

If you’ve ever seen a picture of Machu Picchu, then you’ve seen a picture of Huayna Picchu—you just didn’t realize it.

Preserved Inca city and site of the last Inca stronghold against the Spanish conquistadors.

The intricate stonework of Machu Picchu serves as a testament to Incan engineers.

A museum dedicated to a secret military hospital hidden beneath a castle in Budapest.

Built in 1870 at the bridge that connected Buda and Pest, this spectacular incline railway was almost lost forever during World War II.