Colonial architecture meets urban art in this sprawling open-air gallery.

Every equinox this Maya pyramid puts on a spooky ancient light show.

Clap your hands at the base of the pyramid, and the song of a sacred Mayan bird will echo through the air.

A mysterious, abandoned Chinese building in Mexico pays homage to the area's East Asian immigrants.

This now-abandoned shopping center in Playa del Carmen was built to resemble a medieval European castle.

An indigenous take on European design creates a stunning visual overload.

An Aztec temple, the largest man-made pyramid in the world, sits buried in earth with a Spanish church set on top.

These haunting ruins of a 700-year-old Prehispanic city have witnessed centuries of wars and massacres.

This pre-Hispanic apartment complex also includes ancestral paintings that point to its military past.

Dating back to the second century, vestiges of prehispanic mural paintings are found in this underground palace.

Giant busts of 42 U.S. presidents sit, crumbling in a field in Virginia.

A superb spot to appreciate the traditional boats of the Indian Ocean.

The little-known, 300-year history of the area includes former lives as a bustling tobacco port, parking lot, and industrial dump.

Despite the name, these small saltwater swimming pools have nothing to do with the Romans.

After 400 years of being closed to the public, this monastery's underground tunnels and secret garden are now a museum.

People have been making salt here using traditional methods for centuries.

This 19th-century aqueduct provides insights into how water was supplied to Victoria on the island of Gozo before modern plumbing.

This prison on the Maltese island of Gozo is almost 500 years old, and they have the graffiti to prove it.

These temples are among the oldest free-standing stone buildings in the world.

The Jesus tree of Malta bears a striking resemblance to Christ on the cross.

This abandoned Soviet circus is slowly being restored to its Communist-era glory.

A statue dedicated to the founders of communism.

Soviet-era gates guard an unexpected urban forest—and a future U.S. embassy.

This 13th century Orthodox monastery is built right into the Moldovan cliffside.