This unassuming cheese empire in rural Oregon churns out more than 150,000 pounds of cheese each day.

The world-record holder for the longest bridge stretching continuously over water.

Ancient pueblos built into the base of a natural canyon wall.

Crafted in 1911, this steam locomotive spent its entire working life in Flagstaff.

The final resting place of the businessman-turned-astronomer who helped discover Pluto stands near his observatory.

A planet-hunting astrograph built in the 1920s to seek out the so-called "Planet X" beyond Uranus.

The lowest point in North America is home to an undrinkable pool surrounded by fields of geometric salt flats.

A collection of anti-communist sculptures stands watch in the Mojave Desert.

A desert ghost town—occupied for only 12 years—was once home to more than 500 silver mines.

The "Fun Spot of the Desert" is now a haunting ruin, and a reminder that putting a water park in a desert is a bad idea.

This secluded date farm can be reached only by following a bumpy, single-lane desert road.

At the base of the Spring Mountains, a unique nursery packed with desert plants.

A mining town once rife with murderous disputes over its copious treasures now creates income as a popular spot for photo shoots.

An old railroad grade built for the construction of Hoover Dam is now a recreational trail featuring several tunnels and sweeping views of Lake Mead.

This former open-pit manganese mine is now a massive graffiti canvas.

The world's first fully-fenced urban ecosanctuary is a haven for New Zealand's rare and endangered species.

This Arizona observatory is famous for investigations into Martian life, and as the place humans first spotted Pluto.

The world's only teal arches exist in a city that cares more about its aesthetic than an Instagram influencer.

This 24-acre park offers a place for meditation in the midst of Sedona's iconic red rocks.

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

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

A nature and cultural preserve named for its multitude of petroglyphs carved by the Northern Sinagua people.

This historic national park is covered in the stunning ruins of red rock pueblos.

Scores of vintage street lamps shine along L.A.’s Miracle Mile.