This Native American settlement dates back to the Pueblo II period.

Hundreds of lucky felines haunt the ruins where Caesar was murdered.

This tiny island featuring 9th-century Viking ruins is only accessible at low tide.

This sturdy, circular stronghold served as one of the forts that protected the Venetian Lagoon.

Next to the Leaning Tower of Pisa is a cemetery home to ancient sarcophagi and disturbing murals.

This 6th-century church honors St. Tudno, the patron saint of Llandudno.

Legend has it that any woman who kissed this statue would soon be married.

A small island less than half a mile from Venice is a forbidden island with a dark and twisted past.

A rococo room covered entirely in porcelain originally constructed for another royal residence.

Venice's island of the dead.

These magnificent city walls rise from the barren sun-baked Spanish plains like something straight out of a fairytale.

The ruins of this Roman temple dominate the small city in southern Lazio.

One of the few remaining casualties of the London Blitz, this destroyed church has become an enchanting public garden.

The “Sistine Chapel” of the Middle Ages merges 11th-century science and religion in wondrous hues.

The true age of this ancient stone circle is unknown, but its stunning vista isn't in question.