Dramatic river bend surrounds a natural red-rocked pedestal.

For thousands of years, Native American hunters drove buffalo straight off this cliff in Montana's Yellowstone Country.

Paleoamericans built these ancient walls high in the Colorado Rockies as part of an extensive hunting system.

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

Previously a hot spring, this park remains a site of unique history, wildlife, and geology.

The scene of one of the darkest moments in American labor history has been left essentially untouched since the tragedy.

This former rail stop in Utah was abandoned, repopulated by some nostalgic friends, and now is home to a single DIY aviator who lives in a hangar.

Come for the speed, leave in love with the desert.

An entire home filled with over 3,000 pieces of Santa memorabilia in glass cases, walls, on Christmas trees, and even in the bathroom.

Located in the place where the Columbia space shuttle came down, a museum-memorial that is both touching and informative.

An open-air, roadside eatery celebrating a historic indigenous cuisine of complicated significance.

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

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

This former nursery supplied plants for the creation of Chicago's largest park.

This sinkhole in the Arizona desert is filled with carbonated, arsenic-rich water

The fifth-longest natural arch in the world, and the longest outside China.

A wondrous place to watch a special flower bloom.

This massive vault of comedic history is no joke.

Wading through a small lagoon reveals a secret, wild stretch of pristine beach.

The smallest post office in the United States is no bigger than a broom closet.

The haunted reputation of these abandoned Colorado train tunnels is probably not helped by the terrifying spiked fence.

The huge collection of paintings of the American West is one of Denver's best-kept secrets.

What may be America's largest classic video game arcade lurks inconspicuously in a Chicago suburb.

An exhibit of items from the mental institution where Mary Todd Lincoln lived after her son conspired to have her committed.