Original cabaret handbills, posters, and feline artwork are a purrfect highlight of the Museum of Montmartre.

A 400-year-old church covered floor to ceiling in ex-voto offerings from the faithful.

The great Italian Renaissance painter was laid to rest here in the Chapel of Saint-Hubert.

Monsters and miniatures are held in equal esteem at this wondrous museum.

An icy lake tucked among jaw-dropping alpine panoramas.

A beautiful and classically designed villa, with an hourly infestation of monsters.

This massive blockhead sculpture hides an entire library.

High atop the Eiffel Tower is a small apartment built exclusively to entertain the science elite and make the rest of Paris jealous.

The very center of Paris is surrounded by a bevy of strange good luck rituals.

Paris' linguistic guide to the international language of, yes, love.

This 1,300 year old monastery built atop a single rock was once only accessible depending on the whims of the tide.

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

A Byzantine church containing the holy remnants of three saints sits atop the site of an ancient temple.

The oldest cemetery of modern-day Athens blends the modern and ancient worlds.

A sharp sculpture made of thousands of pieces of jagged glass.

Where commuters walk through remnants of an ancient Greek necropolis.

150 or so scrounged-up lamps, chandeliers, and lanterns light up this alley in central Athens.

A 2,000-year-old computer demonstrates remarkable engineering and astronomical precision.

This legendary city has been a tourist attraction for centuries.

The hallucinogenic center of the ancient world.

Monasteries on rock pillars, once accessible only by frayed ropes.