Heralded as one of the prettiest castles in all of Czechia.

Straight out of a nightmare, barcode-faced babies climb up and down Prague's television tower.

Throughout this shopping mall are medieval ruins that were discovered during the mall's construction.

A hidden treasure of an abandoned city lies deep in the jungles of Campeche, Mexico.

An elaborate Mayan city shrouded in alien conspiracy revealed the tomb of Pacal the Great.

One of Mexico's least-visited archaeological sites is tucked away inside a theme park.

It would take you approximately an hour and a half to walk to the end of Mexico's largest pier.

The ruins of an important pilgrimage destination for worshippers of a Maya fertility goddess.

Iconic red and white plaques show the creative names invented to navigate the city streets.

A magical sinkhole on the Yucatán Peninsula is adorned with mini waterfalls and hanging vines.

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

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

No telescopes, no power, no gift shop: The Observatory of Chichen Itza, one of the world's oldest observatories, takes astronomy back to basics.

Its sunny hues are believed to have inspired the town's color palette.

An Orwellian sculpture with eyeball cameras watches passersby.

This huge dam across the Colorado River caused an armed standoff between two U.S. states.

The ancient dwellings of the Puebloans, located in the cliffs of majestic mesas.

A breathtaking array of ancient Pueblo structures and artifacts counterintuitively preserved by neglect.

The fifth-longest natural arch in the world, and the longest outside China.

Giant, natural amphitheaters made of delicate geological formations called "hoodoos."

The unusual patterns in this rock formation result from two distinct modes of weathering.

This quiet park's strange sedimentary spires were named after Kodak's color film.

Bizarre lunar-like landscape with thousands of large stone "hoodoos."

This outsider art paradise is filled with dinosaur sculptures crafted from recycled machinery.