Roman ruins top white travertine terraces formed by ancient hot springs.

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

Concrete strongholds stand guard over the Golden Gate.

The rusting remains of the largest assembled WWII fleet on the West Coast.

A 14th century bridge built as a fortress, where the devil lurks on one of its towers.

Where the alchemists dream of transmuting base metal into gold was actually achieved.

A New England-style lighthouse along California's beautiful Highway 1 gets a re-do.

A peculiar mansion built by the troubled heir to the Winchester Rifle Company fortune.

A "gravitational anomaly" located in the redwood forests just outside of Santa Cruz, California.

An extensive collection of ancient Egyptian artifacts and mummies.

One poet's handmade, anachronistic home.

Every year, over 25,000 monarchs overwinter in Pacific Grove.

A hotel and restaurant serving as the mecca of kitsch.

Thousands of turbines whir at at the origin of North American wind power.

A collision of human error and natural geothermal pressure created this rainbow-colored geologic wonder.

Bits and pieces from the ill-fated Donner Party's winter cabins.

The Wonder Road aka Doobie Lane, a mile-long strip of dirt road filled with folk art.

Stepping away from the glitz of mobsters and casinos to learn about the other history of Vegas.

Dyed by iron oxide over centuries, these sandstone rocks rise thousands of feet into the sky.

"Only the devil could play golf here."

These once-beautiful historic graveyards are set against the barren Virginia City hills.

Towering basalt columns, a creation of fire and ice.

The rocks in this arid basin leave trails of movement behind them.

Once thought to be the oldest living tree in the world, Methuselah was germinated before the Egyptian pyramids were built.