A Circus legend leaves an unexpected endowment.

The only Florida state park with publicly accessible caves.

A 19th-century Gothic, castle-like statehouse by the Mississippi River.

Every year, a Louisiana town remembers a brief Civil War truce inspired by Masonic brotherhood.

The LSU mascot lived on the college campus in one of the most impressive tiger habitats in the country.

The site of Billy the Kid’s most famous escape and the end to the Lincoln County War.

Natural catch-basin rocks covered in thousands of drawings spanning many millennia.

The highest point in Texas is capped by a big silver pyramid.

The final resting place of American icon Buffalo Bill, and a museum that aids in telling his tale.

A Rocky Mountain city provides a happy ending for a pinto pony and his Brobdingnagian red chair.

This Chinese-style quartz sundial was saved in its final hour.

The spot in the Mile-High City that's exactly 5,280 feet above sea level (at least for now).

This museum offers an actual time machine back through Colorado's past.

A collection of over 15,000 zines works to preserve DIY publishing culture.

The Denver airport is guarded by a 32-foot-tall sculpture of a demonic horse.

This incredible collection of vintage pinball machines can be played at 25 cents a pop.

A park in Mexico offers all the experiences of an illegal border crossing except for one: the border.

Concrete crosses scattered across the Arizona scrubland which were used to align spy satellites.

An Arizona museum with a collection of pharmaceutical oddities, including a jar of a gangster's chewed gum.

This unique competition celebrates an American Indian and Canadian First Nation cultural tradition.

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

A geological mystery on Camelback Mountain.

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

Made famous by 'Star Wars,' these troglodyte homes face an uncertain future.