The most famous location in China was home to whole dynasties worth of imperial rulers.

One of the few remaining ancient aqueducts described by Frontinus as 'the most solemn testimony of the Empire.'

Once the home of a hermetic monk, this cave now houses a small church.

Despite attempts by local police to discourage it, Beatles-inspired graffiti has been a means for artists to air grievances for decades.

Macabre astrological automaton clock dating to the late 1400s.

One of Antoni Gaudí's most classic buildings is well-known for its "dragon-back" design.

Construction of Barcelona's iconic (but controversial) church is expected to be completed in 2026—a century after the death of its architect.

Taxidermy of the racing horse with a huge heart, who inspired hope in the Depression.

Largest maize maze in the Southern hemisphere built with GPS technology on more than two acres.

Beer lover's can-covered house.

At the "Garage Mahal" in Houston, car culture is about more than just driving.

Home to the largest urban bat colony in North America, estimated at 1.5 million bats.