This sanguine boulevard was named after a deadly cowboy bar fight.

This memorial includes fragments from one of the greatest tragedies in United States history.

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

This 4,000-foot-diameter hole is touted as "the most well known, best preserved meteorite crater on Earth."

See massive fossils that are over 200 million years old in northeastern Arizona.

A motel dedicated to Southwestern nostalgia.

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

This bird-shaped rock formation defies gravity, time, and classification.

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

A frozen oasis lies beneath the scorching New Mexico desert.

This popular pitstop lives up to its name.

A one-of-a-kind sundial at the Very Large Array honors a radio astronomy pioneer, incorporating the original piers from his breakthrough radio telescope.

Twenty-seven massive radio antennas on the high plains of New Mexico search for life on other planets.

Stairs often replace streets on the steep slopes of this old mining town.

A wild west cemetery in Tombstone, Arizona, provides a window into the Old West.

Collection of vintage trailers double as hotel rooms.

This is one really big nut.

Explore the largest pure gypsum deposit in the world, and go dune sledding while you're at it.

Once the smallest park in the national system.

This unusually circular centenarian barn became a Route 66 icon.

An abandoned movie set in the desert of West Texas.

This refurbished gas station is one of the oldest in Texas, located on the original Route 66.

Once called the Jersey Lilly, this former saloon was the domain of infamous Judge Roy Bean.

This water tower slanted at an uncomfortable angle off the old Route 66 was an ingenious marketing ploy.