Peak named for an old man who liked to run in the nude.

A large stone map of Arkansas awaits visitors to its highest point.

A wild trout fishery in Arkansas.

Twenty-year effort to raise a castle using tools and techniques from the 13th century is now abandoned in the Arkansas woods.

This century-old roadside attraction is full of bizarre rock formations.

The only diamond mine in the world where you can keep what you find.

Over 100 lasers, including huge ones that look straight off a sci-fi set.

This open-pit mine is now an abandoned symbol of Bisbee's copper-mining heritage.

This love letter to Poland serves bracing dill pickle soup and plump pierogis.

The "Father of Arizona" tried to build a Zoroastrian fire temple on the hill where he's now buried.

Archaeologists believe this panel of petroglyphs depicting descending sheep and other figures in Glen Canyon are 3,000 to 6,000 years old.

The former home of the army detachment that captured Geronimo.

This hidden gem in Arizona is truly worth the rugged journey.

These petroglyphs created by ancient Arizonians have withstood centuries of exposure to the elements.

This mesmerizing and surreal landscape features intricate patterns of white and red sandstone.

During World War II this was the site of an "honor camp" used as a prison for draft dodgers, Native American conscientious objectors, and Japanese-Americans—including a man who brought his case against the camp to the Supreme Court.

An excursion train traverses a picturesque red-rock canyon along the Verde River.

Two geoglyphs that are truly unique to North America.

This Native American settlement dates back to the Pueblo II period.

A strenuous, unofficial trail leads to spectacular views in one of America's most remote national monuments.

A mass grave for victims of an airline disaster that led to much-needed safety improvements for commercial flights.

When it was built in 1929, this historic bridge was the only place to cross the Colorado River for 600 miles.

Petroglyphs, bird watching, and a 100-year-old Ranch in one location.

A stone pillar marking the location of the westernmost battle of the American Civil War only honors one side of the conflict.