The ancient dwellings of the Puebloans, located in the cliffs of majestic mesas.

A tree bears footwear on the loneliest road in America.

An underground mansion with fruit-bearing trees and grapes growing beneath the surface of central California.

Aqueducts have dramatically changed this old lake, now home to tufa towers and its very own species of tiny brine shrimp.

Towering basalt columns, a creation of fire and ice.

Rusty industrial city full of oxidized distillation towers.

See massive fossils that are over 200 million years old in northeastern Arizona.

An historic and oft-filmed spot for musclebound iron pumpers on the Pacific coast.

Resting place of Hollywood's immortals is also site of summer film screenings.

Historic funicular railway, believed to be the shortest railroad in the world.

Finale of "William Tell Overture" can be heard as drivers pass over grooves in the road.

The "world's biggest dinosaur" once housed a creationist museum in its abdomen.

Explore 10 acres of environmental sculptures.

This impressive tunnel was dug entirely by hand over the course of 36 years.

The ghost town that ended up on Ebay.