Open since 1938, this diner has kept its fountain, malt machine, and all the gum that greasers left beneath its counter.

The largest copper mine in Arizona, this enormous open pit emerges from the hills like an alien landscape.

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

This 40-room dwelling tucked within a cliff was built by the basin's prehistoric residents.

A striking, menacing sandstone peak towering above a landscape that's equal parts Mordor and the Moon.

A little-visited ghost town state park offers a glimpse into Montana’s "Silver Queen."

More than 300 years ago, a revolt at this Hopi pueblo shaped the future of the American Southwest.

The enormous 250-room Vanderbilt mansion conceals hidden doors and secret passageways.

This off-the-beaten-path abandoned town is a relic of Montana's silver mining boom.

This tiny movie theater was the last one in the U.S. constructed in the Nuevo Deco architectural style.

This quaint museum taps into the sweet history of the maple syrup industry.

The land is full of geologic eye candy, such as otherworldly spires, mushroom-shaped hoodoos, and prehistoric fossils.

One of the American Southwest's most extensive collections of Navajo rock art.

Where a guard killed nine German prisoners during one of the worst 20th-century POW camp massacres in U.S. history.

This deceivingly ordinary warehouse hides an enormous collection of pop culture treasures.

The only one of New Hampshire's original 14 World War II watchtowers to survive in near-original condition.

This nostalgic blast from the grooming past is also a working barbershop.

The giant squid's 27-foot-long corpse lies preserved within a Sarasota aquarium.

The U.S. Navy's last diesel-electric submarine rests half-submerged in the middle of Portland.

This Dutch Colonial home is the oldest remaining farmhouse in Manhattan.

A retro walk through the history of the tube.

An antique horse-drawn hearse provided French luxury for the dead in this Texan town.

A full-scale replica of a 1774 colonial settlement in Kentucky.

This kitschy tavern is also home to rare early editions of "Treasure Island."