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

Microscopic scenes; some call it novelty, some call it art.

A museum dedicated to a secret military hospital hidden beneath a castle in Budapest.

A series of caves under Castle Hill that once held the prisoner Vlad Tepes, better known as Count Dracula.

This whimsical Oz-themed park had a wonderful impact on the surrounding neighborhood.

A rare chance to get up close and personal with a 13-mile ribbon of ice near downtown Juneau.

Paranormal experiences in this hotel's room 217 led Stephen King to write "The Shining."

The largest self-built castle in the U.S., six decades in the making.

Mysterious glowing orbs float through the desert night.

Minimalist modern art on a repurposed military base in rural Texas.

A tiny waterway named after a ghost story.

Beauty and history abound in this remote West Texas canyon.

5,000 skulls in memorial to those killed by the Khmer Rouge.

Cavemen, elephants, and eagles greet passengers driving through the town's main intersection.

You can walk up Thailand’s naturally non-slip waterfall.

Picnic on the seashore in the footsteps of ancient kings, protected by giant mythical cat beasts.

A startling, centuries-old subterranean marvel hides in plain sight.

Many Hindus make the long pilgrimage to this holy city to have their remains burned on the banks of the Ganges River.

A magical oasis in the middle of the Negev Desert.

A massive, heart-shaped, wind-carved crater in the middle of the Israeli desert.

A natural arch offers panoramic views of Yangshuo's karst hills.

A complex of six forts embedded in the Rajasthan hills.

The world's second-largest sundial, made entirely out of stone.

Sacred Indian temple that’s all monkey business.