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.

The remnants of a creative early method of wildfire prevention.

These elusive, isolated rodents evolved into a distinct, locally iconic subspecies.

Some 10,000 works of ancient rock art cover these volcanic basalt outcrops near the Gila River.

A mistaken marker makes an erroneous claim along the historic Old Divide Road.

Inside this garden, visitors are offered a glimpse into how inhabitants of the region survived centuries ago.

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

This quiet chapel was central to a community of settlers who reclaimed an abandoned fort.

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

These mid-century motels once housed the workers who built the Glen Canyon Dam.

Concrete crosses scattered across the Arizona scrubland which were used to align spy satellites.

Hidden on a cattle ranch in Arizona, this bookstore has been celebrating Southwest literature for more than 40 years.

One of the most extensive and well-preserved collections of dinosaur footprints in North America.

An incredible airplane graveyard sits outside this small museum dedicated to preserving aviation history.

The remote resting place of a notorious Wild West outlaw whose death is shrouded in mystery.

Religious statues built because of one man's bargain with God fill this peaceful sculpture garden.

The historic “pink house on the hill” is an architectural gem that now serves as a center for water conservation.

An off-the-beaten path cave with an underground lake.

The remains of this hell for leather wild west town can still be found in the Arizona desert.

The shop's owner has spent decades in the desert wearing nothing but a strategically placed sock.

Sleep where gangsters fell amidst smoke and flame, with nary a bullethole to show for the legendary struggle.

The first permanent memorial to a unique secret weapon of World War II.

This old selenite mine is dotted with tiny crystals that make it shimmer like it's covered in glitter.