This huge dam across the Colorado River caused an armed standoff between two U.S. states.

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

A museum dedicated to the decorative arts from the 16th through 19th centuries.

The biggest pinball arcade in the world has over 600 pinball machines, and 300 arcade machines.

An outdoor sculpture park of giant pink robots and post-apocalyptic Christmas scenes.

Hike amid the palm trees that thrive among Southern California's Indio Hills.

A monument to the frontier doctor who came up with the idea of delineating highways with a painted line.

A scrap-metal sculpture recalls an infamous 19th-century camel.

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

The stone-covered graves lie within the ruins of an Old West ghost town.

Ancient human, animal, and geometric figures drawn in the earth.

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

This abandoned horse racing track was an exercise in hubris from its inception.

This striking public art installation is suspended above a public park, designed to gently move in the breeze.

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

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

The remnants of a creative early method of wildfire prevention.

A monument to the one-armed geologist who led the first documented expeditions through the Grand Canyon.

This small interfaith chapel lies not far from the rim of the Grand Canyon.

This rustic cabin, outfitted with gun slits, was once home to John D. Tewksbury, patriarch of the bloodiest family feud in American history.

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

Ninety feet off the valley floor is an ancient dwelling put under protection of the U.S. government by Teddy Roosevelt.

The largest and most well-preserved petroglyph site in the Verde Valley.

A small canyon with petroglyphs and a seasonal waterfall, only a short hike from the remnants of old Route 66.