The walls of America's oldest masonry fort famously "swallowed" cannonballs.

Arrr! The most authentic collection of pirate artifacts in the world... matey.

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

The remains of Abó, Gran Quivera, and Qurai are monuments to the long, complicated history of the Indigenous people of the Southwest.

A clear blue swimming hole with hidden caves, still unexplored.

A small car graveyard sits in the shadow of the famous Cadillac Ranch.

A sculpture made of 10 Cadillacs as a monument to the “Golden Age” of the American automobile.

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

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

Once in disrepair, this popular Texas stop along iconic Route 66 has been restored to its past glory.

Get your gift of the gab on Route 66.

Run by members of the Tohono O'odham Nation, this community farm nurtures traditional desert cultivars.

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

America's only nuclear missile silo open to the public.

No one knows exactly how deep the world’s deepest geothermal hot spring is.

Crisp mountain water cascades over volcanic rocks at these secluded falls outside Pagosa Springs.

Crystal clear lake with a shoreline of travertine located in a Colorado canyon.

Despite being one of the most photographed vistas in the Rockies these twin peaks are rightfully known as the "Deadly Bells."

Take a dip in the world's largest mineral hot springs pool.

Once owned by the largest employer in Colorado, these ovens have been abandoned for over a century.

A whimsical, punny collection of "fence art" outside the tiny mountain town of Baker, Nevada.

This spectacular track has run continuously since 1882.

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

A dangerous narrow-gauge railroad once traced a route through this striking canyon.