This grassy, tree-lined hill shares a name with the much-loved novel that it inspired.

The bombed out remains of the old church were kept intact next to the new one, as a reminder of the futility of war.

The wooden grave marker of a railroad worker who died in a freak whirlwind.

Once believed to be a sacred Roman legionary symbol, this bronze figure inspired the 1954 novel 'The Eagle of the Ninth.'

A unique journey back in time to an early 20th-century fairground.

Plaques on its facade commemorate the Tiber's most destructive deluges.

A detailed pachyderm supports Rome's smallest Egyptian obelisk.

Gaudí's famously flamboyant architectural style is on full display in this sprawling park and garden.

This stone tower was built to protect Crete from incoming pirates.

A minotaur, a labyrinth, and a dubious restoration pull in visitors from around the world.

This famous archeological mystery may be an ancient example of movable type.

This ancient Greek place of assembly and marketplace is being revealed layer by layer below the modern Athens cityscape.

Legend says this sacred tree was a gift from goddess Athena.

Heralded as the world's first theater, these ruins are often overlooked as they reside in the shadows of the Acropolis.

According to legend, this cavern holds the passage that Persephone used to travel to and from the underworld.

This legendary city has been a tourist attraction for centuries.

The hallucinogenic center of the ancient world.

A spectacular cave and a beguiling lake.

The crypts of Capuchin friars decorated with the bones of over 4,000 friars, including an entire "crypt of pelvises."

A Nesting Doll of Churches.

An ancient Roman temple first dedicated to an emperor's wife is now a church.

A master of trompe-l'oeil creates a stunning, tourist-fooling dome out of a flat ceiling.

This ancient market is often referred to as the oldest shopping mall in the world.

These hut foundations are believed to be the residence of Romulus, founder of Rome.