Tirelessly maintained by a Wisconsin man named JFK.

Every winter, the wind carves blocks of frozen water into beautiful abstract shapes inside this unusually curved tunnel.

"Looks so real, it's scary!"

A lovely hidden waterfall right off the highway is well worth a stop.

A statue honors the genius who allegedly first took a meatball and made it into a hamburger.

The remnants of this Douglas fir predate Columbus's arrival in North America.

A bedazzled house and crown "jewel" of outsider artist Loy Allen Bowlin.

Homemade outdoor church and sculpture garden decorated with glass shards.

Small-town museum dedicated to outer space ... and bicycles.

Five acres of divinely inspired folk art.

"Iron Age" creatures fill this huckster's rusted metal sculpture garden.

These modest Midwestern formations are kin to Niagara Falls' impressive cliffs, more than 600 miles away.

Home to the world's largest refracting telescope and the birthplace of modern astrophysics.

This lakefront cottage was crafted in the 1800s and was once a sanitorium.

The only thing stranger than stumbling onto these philosophical musings is the story of the homesteader who created them.

Hike amid the palm trees that thrive among Southern California's Indio Hills.

A giant desert bird that once swung music fans at Coachella now has a home in a nearby traffic circle.

Inside this curiosity shop, visitors can peruse the clown collection or purchase a molar from the mouth of Bigfoot.

A bookstore with an entire room dedicated to damaged and forlorn comic books.

A house filled to the brim with oddities and curiosities.

One man's eclectic collection of treasures found at sea.

A tiny red pebble marks what may be the quietest outdoor spot in the United States.

Rustic natural hot springs in the deciduous rain forest.

An abandoned network of military bunkers and tunnels open for anyone willing to descend into the darkness.