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

Hollywood's most famous landmark, the "temporary" sign that has stood for decades longer than intended.

A beautiful Victorian-era cemetery, complete with a miniature village.

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

This beehive tomb built for royalty sat hidden for over 3,000 years.

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

A quirky bookstore hidden beneath a sea of whitewashed Greek villas.

Replicas of Apollo's leonine stone guard cats still line a sacred row in Greece.

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

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

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.

Nestled in a peaceful valley, this Armenian monastery may have been saved from Mongols thanks to the eyes of God.

This ancient monastery complex was transformed from an island to a peninsula when the lake was partially drained.

This series of Armenian caves held the oldest brain, shoe, and winery in the world.

This Armenian monastery was carved out of cliffs and named after the spear used to stab Jesus.

The most visited pilgrimage site in Armenia once held a saint in a pit for 13 years.

A geological oddity topped with a 2,000-year-old pagan temple.