An ancient octagonal weather station named for the eight Greek gods of wind.

Heralded as the world's first theater, these ruins are often overlooked as they reside in the shadows of the Acropolis.

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

This mystical orb covered in strange symbols is thought to have been used in ancient Greek magical rituals.

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

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

This small interfaith chapel lies not far from the rim of the Grand Canyon.

This 4,000-foot-diameter hole is touted as "the most well known, best preserved meteorite crater on Earth."

This balancing rock is one of Utah's most unusual geological formations.

What's a diner from the 1939 World's Fair doing in a remote Utah mountain town?

One man has installed bathtubs into the Utah desert floor to harness the powers of a natural hot spring.

One of the world's oldest and most massive living organisms is a grove of quaking aspens.

This Moab institution functions as both a rock store and a small natural history museum.

The fifth-longest natural arch in the world, and the longest outside China.

A house carved into a rock in the 1940s.

Oddly shaped rock formation, misassociated with a nearby utopian community.

The location where the iconic movie character declared it was time to go home.

Giant, natural amphitheaters made of delicate geological formations called "hoodoos."

A sharp bend in a dramatic river canyon cut through red rocks.

Most-visited and most-photographed slot canyon in the American Southwest.

Who needs fancy modern water slides when this giant North Carolina rock works just as well?

This hollow steel globe is the second-largest in the world.

Art Deco urban decay at this historical building.

The language and heritage of a nearly forgotten culture can still be explored in this Southern enclave.