An alchemist's "magic door" stands in the middle of a Roman park.

On Japan's Tashirojima Island, cats are king.

Though these human-made islands were constructed as an escape for the wealthy, they rarely see many visitors.

Nova reconstruction of the bridge that baffled engineers for years.

One of the word's deepest gorges is also tied to a fantastic legend.

This ancient sword lay in a waterlogged tomb for 2,500 years, but managed to remain relatively untarnished and impressively sharp.

Monks turned this mountain into a temple by digging grottoes, tunnels, and a huge pagoda-like hall.

This historic Chinese tower was said to have been haunted by fox spirits but is now haunted by a grisly murder.

Unique geological formations in China, featuring some suggestive shapes.

A lush desert oasis in the shape of a narrow crescent.

Two ancient Buddhist temples crown this dramatic rocky pinnacle.

Where the Great Wall of China meets the sea.

The ancient settlement attracts tourists from all over looking to learn about the Chinese vision of the afterlife.

A sacred mountaintop temple offers a fine cup of tea to visitors who can survive the journey.

Not one, not two, but three natural bridges remain in this captivating spot post-sinkhole.

A total of 999 stairs lead visitors through a massive hole in a mountain known as the Gateway to Heaven.

This hermitage celebrates the legend of Emperor Constantine's healing from leprosy.

Believed to be the remains of the lost Temple of Minerva, this nymphaeum has been known by its misnomer to this day.

Legend has it that this bronze orb, which sat atop an ancient Egyptian obelisk, once held the ashes of Julius Caesar.

The remains of this 2nd-century Roman temple are incorporated into a modern building.

According to local folklore, this Roman sepulcher was once a throne for the Devil.

Known for centuries as the famous Roman emperor's burial place, this monument is actually something else.

This basilica is dedicated to two saints, one of which is known more for his famous quote.

This one-of-a-kind Roman arch is not actually dedicated to the god Janus.