This building is a recreation of the gatehouse that separated Los Alamos from the outside world during the era of the Manhattan Project.

This beautiful ancient site is dotted with perforated sandstone pillars considered sacred by some Native American groups.

Sit at the "Disney table,” where Walt and his team of "imagineers" once dined on the regular.

A park in Mexico offers all the experiences of an illegal border crossing except for one: the border.

This ancient trail has claimed the lives of over 2,000 people.

One of the most remote spots in America and the first protected wilderness area in Nevada, named after an old legend.

A volcanic landmark located on an Ice age lake bed.

Massive crater in central Oregon.

A volcanic fissure over two miles long and up to 70 feet deep.

Many generations of travelers have passed through the steep, smooth walls of this canyon.

Mine your own precious stones.

An internationally-recognized dark sky sanctuary lies in northern Nevada, near the Oregon line.

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

The highest dunes in California are the most likely place in the area to hear the Singing Sands.

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

This hidden fire lookout offers spectacular views of Sequoia National Park.

A small research station sits at the summit of this mountain, which is one of the few U.S. peaks higher than 14,000 feet outside of the Sierra Nevada.

The echoes of a railroad town that solemnly mark the end of the line.

Eons old volcanic activity created one of the most stunning rock formations in the United States.

Towering basalt columns, a creation of fire and ice.

A scenic hike in the High Sierra that ends at an old gold mine.

Historic home to one of the most famous women pioneers of the 19th century.

A Native American petroglyph, the site of an emigrants' waystation, and the ruins of an early 20th-century sheep camp are all found at this crossroads.

An iron monument on the 120th meridian as surveyed, one of only four marking the boundary between Nevada and California north of Lake Tahoe.