One of the most scenic stretches of road in America winds between some of the country's oldest trees.

Sunset-colored dunes of volcanic ash make taking a poor photo impossible.

Trails through lava-carved tube-caves display sparkling bacteria and a rich history.

This natural marble cave is one of only five national monuments in Oregon.

The deepest lake in the United States, and once the site of epic destruction that lives on in legends.

A vertically floating hemlock controls the waves and weather at Crater Lake.

All aboard the world's longest miniature railway.

These cinderblock farmhouses were actually World War II radar stations in disguise.

Two mammoth statues inspired by equally tall tales lure tourists to this roadside attraction.

Canyon walls shrouded in ferns.

Once the largest windmill outside of Holland, with enormous 114 foot sails.

The key to turning shifting dunes into the green oasis of Golden Gate Park.

Despite its name, this route in southern Utah offers a heavenly day trip.

Giant pinnacles in the sun-scorched lands of Southern Utah have been nicknamed "white ghosts."

A museum in rural Utah documents the history of the Japanese Americans who were forcibly relocated there.

Dig for your own trilobites in this goldmine of invertebrates.

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

The hike through a narrow river flanked by the 2,000-foot-tall walls of Zion Canyon is one of the best in the world.

Local lore holds that Butch Cassidy took an escape route through Red Canyon's sandstone hoodoos after an attempted murder.

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

Legends surround this jagged rock formation in the New Mexico desert.

Few things look more out of place than the electric blue ponds in the reddish-brown desert of Utah.

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

A ghost town that held steady longer than most, but finally gave up the ghost.