The ghost town left by the worst nuclear disaster of all time is being taken over by nature and urban explorers.

2300-year-old Roman road connecting the empire.

Architectural monsters are devouring this palace's every door and window.

The skull of the patron saint of lovers lies in the Basilica di Santa Maria in Cosmedin—maybe.

The engineering wonder and pleasure dome of a much-maligned emperor still holds undiscovered secrets.

David Sedaris called it "The greatest shop in the world."

Three small rooms in the jungle house the most elaborate and intact murals of the Mayan world.

This extraordinary art museum is like a secret world on the edge of Mexico City.

This ancient jade mask depicting the Zapotec bat god was found in the ruins of the pyramids of Monte Alban.

Come face to face with the ferocious visage of the serpent-headed mother goddess of the Aztecs.

This stunning and ethereal mural symbolizes the beauty, unity, and diversity of humankind.

The striking jade death mask of an ancient Maya king is displayed in a replica tomb in Mexico City.

Pilgrimage site for star-crossed lovers.

A whale rib was used to advertise the store by the arch that offered exotic goods from far away.

It’s said this crypt was the setting for the tragic finale of the Shakespeare play.

Every spring, locals see the shadowy figures of a ghost army of slain Greek soldiers descend upon this ruined fort.

These ruins of a medieval church are full of architectural mysteries.

A 19th century artistocrat's mansion, turned into a library, hidden in a modern library.

This statue of a falling man commemorates a teenage martyr of the Hungarian Revolution.

A two-way chairlift system between Zugliget and the highest point in the city.

This quiet, unassuming spot in Budapest was the birthplace of the bloody 1956 Hungarian Revolution.

This easily overlooked memorial immortalizes the scars from the 1956 Hungarian Revolution.

The mummified right fist of a 1,000-year-old saint-king sits inside an ornate golden reliquary.

Tucked away near more famous landmarks lies a statue meant to symbolize the confluence and continuing development of human culture.