This legendary city has been a tourist attraction for centuries.

This slumbering beast honors the Bavarian soldiers who died in Greece during a 19th-century typhoid outbreak.

Step inside an ancient beehive tomb built for a mysterious cult hero.

The ruins of an abandoned medieval city where the last Byzantine emperor was crowned.

This 18th-century former mosque held the first Hellenic Parliament.

This 15th-century island fortress later served as home to the executioners no one wanted to live near.

A harem-inspired Moorish fantasy design in a Victorian-era Welsh castle.

Recently restored menagerie of Victorian-era beasts.

The castle still holds traces of the abandoned Roman fort it was built atop.

Vast stretch of tide-pools with a unique Moroccan charm.

An Iron Age hillfort rooted in Arthurian legend was made famous by musician Peter Gabriel.

The walls and streets of the ancient city are peppered with penises.

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

Traditional 11th-century outdoor tannery.

An awe-inspiring mosque in Morocco with one of the tallest minarets in the world.

Crumbling necropolis set high above Fez.

Thousands of narrow alleyways in an ancient medieval city make up what's believed to be the world's largest car-free urban zone.

Mosaics, storks, and brothels—this ancient city has it all.

Founded as a refugee camp, now a popular tourist spot.

Something's watching you.

Other-worldly rock formations and ancient fossils abound in this unique stretch of Nebraska badlands.

The last moments of the ill-fated Pompeiians, frozen forever in plaster.

Don't blink or you'll miss it.

There is a strange little carving of a person seemingly crushed by a pillar behind the remains of St. Thomas Aquinas.