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

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

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

CERN's beautiful, bending sculpture is a tribute to the spread of knowledge.

If James Bond bungee-jumped off the side of a 720-foot dam, would you do it too?

A cablecar-station-turned-revolving restaurant with 360-degree views of the Swiss skyline.

This memorial commemorating fallen Swiss Guards of the French Revolution has been called the saddest stone in the world.

Large Hadron Collider and the Birthplace of World Wide Web.

A once-thriving hotel in the Swiss Alps couldn't compete with climate change.

Caves famous for the dragon-slaying saint who lived there.

The bizarre visions of H.R. Giger, tucked away in a Swiss medieval city.

A place of great reverence for Trekkies everywhere, a hero's future birthplace.

The 340-year-old house that inspired the classic Nathaniel Hawthorne novel.

The lecture hall where Alexander Graham Bell first demonstrated the long-distance phone call.

Statue in Salem of the woman who starred as the witch Samantha in the sitcom "Bewitched."

The only structure left with direct ties to the Salem witchcraft trials of 1692.

A museum dedicated exclusively to the lore and history of ouija boards.

A simple but powerful tribute to the 20 victims of the 1692 witch trials.

This California museum is home to one of the largest collections related to the 'Treasure Island' author.

A huge collection of rocks, gems, and crystals.

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

The private clubhouse for the members of the Academy of Magical Arts.

Stroll the grounds built by murder, suicide, and dirty oil money at one of Hollywood's most filmed mansions.

One of America's most historic homes also holds a startling literary legacy.