Heron, whitewater rapids, and urban industrialism all add to the beauty of this concrete nature walk.

Exact replica of the ancient monument, but much, much lighter.

This 29-ton granite ball spins around at the slightest touch thanks to a scientific phenomenon.

A 300-yard long natural tunnel runs through a ridge deep in the Appalachian Mountains.

This maze-like slot canyon is a unique gem within an already fascinating geological area.

A sacred site for Native Americans surveyed by George Washington and owned by both King George III and Thomas Jefferson.

The pharmacy's retro ice cream mixer is one of the last of its kind.

One North Dakota man's vast collection of rare rocks, polished orbs, and geological wonders.

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

Three legendary, living albino buffalo roaming their pastures for all to see.

Seth Bullock, the sheriff of Deadwood, built this town immediately after Teddy Roosevelt’s death in 1919.

At the turn of the 20th century, the Minnehaha County courthouse played host to sensational public divorce trials.

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

This geodesic gallery holds a collection of painted spheres that make traditional canvases look lazy by comparison.

South Dakota's oldest operating brewery is housed inside a historic firehouse.

An entire city block built completely out of petrified wood.

A six-ton, 12-foot-tall concrete prairie dog is touted as the largest in the world.

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

One of America's first dinosaur parks gives a window into Depression-era paleontology.

This replica stave church looks like a piece of Norway was simply plopped down in South Dakota.

The granddaddy of all tourist traps, built on ice water, jackalopes, and a giant dinosaur.

Visitors to this museum will uncover a whimsical collection of marbles from across time.

This once rural mansion now sits in the heart of the city.

Four ionic columns from the Treasury Department building ended up in a park in Nebraska.