A spiritual vortex among the red rocks in Sedona.

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

An abandoned 1920s-era stretch of cabins now overshadowed by the 66 Motel.

This golf ball–shaped former desert real estate office now houses a UFO museum.

A stealthy Apache hideaway that became the haunting site of a mass grave.

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

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

Knoxville’s architectural icon was the symbol of the 1982 World’s Fair, even catching the googly eye of Bart Simpson.

Located in Faneuil Hall, the headquarters of the Ancient and Honorable Artillery Company of Massachusetts has stood the test of time.

The massive machine creates cracking displays of indoor lightning.

One of the two USPS mailboats left in service docks regularly at Weirs Beach, Bear Island, and other Lake Winnipesaukee islands to deliver their mail.

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

A pair of giant roadside arrows are all that remains of a former Route 66 trading post.

This Route 66 classic sports a giant fiberglass rabbit that you can ride.

Final resting place of the two women killed on a small island off the coast of New Hampshire.

Just a man taking his prehistoric pet for a stroll.

A striking sculpture built to honor the women of the Lakota and Dakota Nations.

America's first National Historic Landmark is a 100-foot tall obelisk and gravesite dedicated to the only casualty of the Lewis & Clark Expedition.

A 90-foot-tall psychedelic "tree" on the side of the highway has baffled passersby for decades.

This strangely amalgamated museum explores the history of the Timex clock company as well as archaeology.

A historic custom house with ties to George Washington is now a shrine to local nautical history.

Former abode of notable poet, complete with literary references and stories of ghosts.

Three and a half miles of cliffs, rocky beaches, Gilded Age mansions and 40 Steps to nowhere in particular.

Unicorns, elephants, and bears, oh my!