Famous church recognized for both its unique design and disciplined monks that live according to the Benedictine discipline.

The warmest cave in the Ozarks features two seemingly bottomless lakes.

The highest waterfall between the Rockies and the Appalachian Mountains.

On the side of Arkansas' Great River Road stand the remains of a forgotten World War II POW Camp.

This quirky Arkansas wax museum does not shy away from the macabre and the grotesque.

Three markers installed over the course of 140 years mark the point where Arkansas, Missouri, and Oklahoma converge.

Native Americans built this circle of stones, which was used to predict astronomical events.

One of America’s oldest and spookiest hotels, thanks to the residency of ghosts, dead presidents, and Alfred Hitchcock.

The remnants of an early American attempt at missile defense.

These former Cold War launch sites have been preserved for tourists to see where the button might have been pushed.

This museum is a full-size replica of an original church constructed during the 13th-century.

Rusted and decayed, this former mining site is a portal to the past.

One dedicated priest constructed this beautiful stone grotto by hand from 1926-1933.

More than 7,000 gallons of water pour over these cascading red quartzite waterfalls every second.

This 19th-century religious artwork was once highly controversial—because it was donated to the church by a divorcee.

A relic of roadside lore and perhaps the first of its kind in North America.

This monument remembers one of the manliest men of the frontier who fought a grizzly before dragging himself 200 miles to safety.

One devoted couple has donated multiple recreations of Michelangelo's sculptures to this South Dakota town.

Chef Lawrence West serves up Indian tacos, wojapi, and other Lakota dishes at the brick-and-mortar incarnation of his popular food truck.

An entire city block built completely out of petrified wood.

The highest point in South Dakota contains the ashes of Valentine McGillycuudy, the "Holy White Man."

A place where the laws of nature seem to have gone completely berserk... but of course haven't.

The history of the treatment of mental illness, illustrated in all its gory detail, and housed in an asylum.

A small town built on an abandoned airfield has former runways as streets and a bar and grill in an old airplane hangar.