One of the world’s largest collections of petroglyphs records 2,000 years of human activity.

One of America's oldest stadiums was also the site of one of the most brutal anti-labor acts in American history.

A place for local artists to showcase their works.

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

A pair of giant roadside arrows are all that remains of a former Route 66 trading post.

This historic national park is covered in the stunning ruins of red rock pueblos.

This mission, established in 1771, is the most remote of California’s Franciscan missions.

This popular pitstop lives up to its name.

An interesting decoration on this historic site, this weathervane comes with as many legends as it does questions.

A serene plaza that commemorates one of the Granite State's most iconic figures.

Known as one of the most climbed mountains in the world, this barren peak is permanently bald thanks to an anti-wolf fire.

Former abode of notable poet, complete with literary references and stories of ghosts.

Charleston's historic city jail once held everyone from pirates to Civil War POWs.

Third time's a charm, or in this case, two testicles are.

This oversized flute-playing Ancestral Puebloan deity is also a landmark of Southwestern kitsch.

This Old West hotel, the longest in continuous operation in the state of Arizona, is claimed to be haunted.

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

Out of a desire to feed hungry soldiers, a franchise-altering idea was born.

The former home of the army detachment that captured Geronimo.

An early 20th-century jail not far from the infamous Tombstone, Arizona.

The lobby of this hotel near the U.S.-Mexico border features a stained-glass mural that measures 42 feet long and 6 feet tall.

At an isolated roadside rest area stands a monument marking where famous Western star Tom Mix died in 1940.

This church on a Tohono O'Odham reservation has stood since 1797.

Red sandstone structures dominate this landscape, which has been inhabited for some 5,000 years.