A spiritual vortex among the red rocks in Sedona.

The story of Two Guns, Arizona could easily be described as a Shakespearian tragedy on Route 66.

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

A reproduction of earth's many biomes.

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

A fantastic castle rumored to be the birthplace of King Arthur.

This small 16th-century church in Athens is almost entirely surrounded by a modern building.

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

This secluded aqua waterfall in the Grand Canyon is the perfect swimming hole, and the Havasupai tribe's fiercely protected natural wonder.

Most-visited and most-photographed slot canyon in the American Southwest.

A towering bronze statue memorializes the founding father of postwar American conservatism.

Founded by members of the Tohono O’odham Nation, this one-room joint's James Beard–winning fry bread is light as a cloud.

A museum and tribute to a brave profession.

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

The massive, incredibly rare instrument is over 11 feet tall with a range so deep it goes lower than humans can hear.

A mysterious "wedding cake" castle in the middle of the urban desert.

Thousands of Mexican Free-Tailed Bats soar around an abandoned storm drain at sunset each summer.

A self-built castle made by a mysterious man.

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

A 2,000-year-old computer demonstrates remarkable engineering and astronomical precision.

Ancient serpentine sacrifice holder that has stood the test of time.

A Wild West jailhouse that slid down the mountainside.

Once the product of an inexplicable gold strike, this ghost town is now home to one man and his love of classic machines.

This remarkably well-preserved Egyptian plinth is pretty well traveled for a giant piece of stone.