The center of the only hemisphere that awards visitors with a commemorative coin.

The highest point in Wisconsin is capped by two towers that are not as mythic as Tolkien's but provide much better views.

An oddly poignant roadside attraction celebrating American folklore.

A restaurant and lodge in northern Wisconsin which served as a clandestine hideout for John Dillinger and featured one of the most famous botched FBI raids in history.

A one-stop shop for all things snowmobile, started by a snowmobile-obsessed group of friends in Wisconsin.

One extremely determined man's homemade universe.

Meet the "Green Monster" of Monico, Wisconsin.

The menacing creature had a tremendous influence on the local culture before being exposed as a hoax.

A collection of pianos and more guaranteed to delight anyone interested in music history.

The only pig museum in the U.S. holds one of the world's largest collections of pig items.

The world's largest washing machine collection has more than 1,400 antique items in its exhibit.

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

A small museum dedicated to the whimsical tool that turns sugar cookies into works of art.

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

This eclectic collection documents the wild legacies of "America's Wickedest Street."

The state's only comprehensive museum dedicated to the mineral that defined its history and economy.

A museum of natural history, Edwin Carter's original log cabin home and workshop houses taxidermy specimens.

A midcentury ranch house hides a literal treasure trove of unique rocks and minerals.

A collection of beautiful crystals shaped like freshly plucked roses.

An eclectic collection of artifacts from the Wild West is preserved in a remote fictional pioneer town.

One of the few surviving Panama Canal steam shovels stands outside a tiny Colorado mining museum.

The world’s largest combined collection of U.S. and Russian aircraft got its start in a poultry building.

Touch an actual dinosaur bone at this eclectic trove of Rocky Mountain treasures.

A futuristic hovertrain is parked unceremoniously alongside a nondescript road.