Officially named the "Loneliest Road in America," this barren stretch of Nevada road offers almost nothing but sky and open fields.

The largest wildlife crossing in Utah allows local fauna to safely traverse the six-lane Interstate 80 at Parleys Canyon.

Underneath downtown Lincoln resides a network of caves that was also the city's first brewery.

A massive hydrovolcanic explosion left a half-mile wide crater in Death Valley.

Millions of years of oxidation make a drive down this winding Death Valley road surprisingly colorful.

Travelers leave tea kettles in a remote part of Death Valley as part of a mysterious, decades-old tradition.

The lowest point in North America is home to an undrinkable pool surrounded by fields of geometric salt flats.

A hard-to-reach oasis in a desolate corner of Death Valley National Park.

The location of the last stand of Charles Manson's doomsday cult.

This sun-scorched lakebed contains samples of half the natural elements known to humankind.

This old mining town, deep in the California desert, has a year-round population of one.

A mountain range on an active U.S. Navy base hides thousands of mysterious prehistoric rock carvings.

The world's largest outdoor organ is played weekly by one of just two civic organists in the U.S.

L. Frank Baum wrote part of the "Wizard of Oz" series in this wooden Victorian beach resort.

Every weekend, people gather here for a brief chance to see their loved ones on the other side of the United States–Mexico border.

San Diego's most historic and haunted home.

An extraordinarily ornate museum in San Diego holds wondrous anthropological treasures.

One of the few remaining carousels built by master amusement park carver Charles I.D. Looff.

The oldest standing structure in downtown San Diego.

The classic Atari game's iconic aliens have invaded downtown San Diego.

This futuristic bridge is one of the longest self-anchored pedestrian bridges in the world.

A magnificent, reportedly haunted mansion built for a composer by Spiritualists.

This restaurant offers a side of antiques, curios, and a bathroom chock full of owls.

In rural Iowa, an imported 19th-century windmill overlooks an unlikely enclave of Danish culture.