Under the right circumstances, this waterfall in Yosemite briefly turns a luminescent fiery orange.

A 200-year-old bar in the historic French Quarter refuses to give up its place in history, nor its role in securing ours.

Some 2,000 carvings show this rare desert spring has been an oasis for travelers for over a thousand years.

Wedding chapel's mysterious spiral staircase said to be miraculously constructed.

These ruins of a pre-Columbian cliff village are among the most beautiful and well preserved in New Mexico.

A cave's rare beauty held a cavernous secret hidden underground.

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

A phenomenal assembly of pueblos in New Mexico is the most complete example of ancient ruins north of the border.

A museum dedicated to the alleged Roswell Incident.

The second-largest cave chamber in the world was discovered in 1898 by a 16-year-old and a friend known as "Pothead."

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

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

This iconic 1958 tower welcomes air travelers to Tucson with neon-lit letters and architectural style.

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

This isolated outpost was once the only place to cross the Colorado River for hundreds of miles.

This memorial pyramid marker honors one of the United States Government's first official camel riders.

After a short-lived attempt to bring America in line with the rest of the world, this road was left in metric.

This public square capitalized on a single Eagles reference to bring some life back to an Arizona town.

This immigrant bridge once spanned the Thames but is now a fixture of an Arizona city.

A Wild West jailhouse that slid down the mountainside.

This giant steer-skull edifice refuses to die.

The highest point in Arizona is an oddly snow-topped peak within the otherwise arid state.

A living snapshot of a different time in America is preserved and maintained by a community of volunteers.

A natural history wunderkammer in the middle of the desert.