Macabre astrological automaton clock dating to the late 1400s.

Norway's oldest cathedral still in use.

This giant boulder is pinched over a 1000-meter abyss by two mountains.

Walk 2,300 feet above the ground on the "Troll's Tongue."

Southern Ocean waters and glacial forces transform the Antarctic ice into these stunning bridges and caves.

These tombs were built into the side of a mountain so that ancient angels could reach the dead.

While these wooden totems bear a striking resemblance to First Nations artwork of British Columbia, their actual origins lay on the opposite side of the Pacific Ocean.

This former quarry is now a picturesque gorge that hides a sunken lake.

Russian Orthodox church built on an Antarctic island.

A open air theatre built on a cliff by an eccentric British woman.

The clock that sets them all.

Every equinox this Maya pyramid puts on a spooky ancient light show.

Large Hadron Collider and the Birthplace of World Wide Web.

The fairy tale castle of the "fairy-tale king."

The world's oldest model village.

An ancient Thracian city where fire rituals were practiced on the largest cult altar in Southeast Europe.

This amazing pedestrian suspension bridge in the Swiss Alps would give Indiana Jones nightmares.

A breathtaking bridge that crosses a vast gorge over a river's torrents, and has a tale of a devil architect attached.

An architectural marvel that spans the Arda River, and has stories of a haunted past.

The highest peak in Wales is said to be the final resting place of a giant killed by King Arthur.

High atop a Mexican rainforest mountain, this ancient pyramid once drew pilgrims countries away.

This lovely little bridge hidden in a Switzerland gorge is essentially a fairytale.

This star-shaped military outpost is now simply trying to protect itself from neglect.

This Scottish burial tomb once held hundreds of ancient eagle bones.