Step inside Lucy, the world's largest "elephant."

This astonishingly geometric cave has inspired everyone from Jules Verne to Pink Floyd.

A 18th century graveyard and its astonishing cortege of macabre iconography.

Hear the quietest sound from across the dome.

The largest stone circle in the world has ended up bringing up more questions than it has answered.

Go deep down into the earth to experience the world of Welsh coal miners.

Detailed sandstone carvings show an array of symbolism and adorable animals.

Beasts and branches swirl in sandstone carvings, interrupted by one strange creature.

Stroll through Welsh history in a village of reconstructed structures.

A harem-inspired Moorish fantasy design in a Victorian-era Welsh castle.

Recently restored menagerie of Victorian-era beasts.

The interior of the Overlook Hotel in "The Shining" was based on this Yosemite original.

A glimpse into the lives of the the Miwok and Paiute people in Yosemite National Park.

This dark, quiet forest on the outskirts of San Diego is dense with rumor and lore.

Stripes of flowers bloom each spring in a 50 acre rainbow of color.

Behind this beachfront shop lies a spectacular, colorful sea cave with an equally colorful past.

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

Electrical pylon in the shape of Disney's beloved mouse.

This Peruvian canyon is filled with geometric salt pools that have been being harvested since the Incan empire.

One of the Seven Wonders of the Modern World holds the world's tallest metal staircase.

A gateway to a mysterious network of underground tunnels.

A tower devoted to — and modeled after — the Divine Comedy.

A beautiful young girl said to have been buried alive in her coffin…

Buenos Aires' city of the dead contains some very famous remains, including Eva Perón.