A hidden barn-sized rendition of Grant Wood's most famous, and most parodied, painting.

This 16-foot-diameter wooden coin has been standing in Iowa City since 2006.

Chilly air billows out from the entrance of an abandoned mine on a steep hillside, providing a refuge for Ice Age fauna and flora.

This tiny site in Iowa, part of a patchwork national wildlife refuge, is home to ancient flora and fauna.

Giant six-pack could provide one person a six-pack a day for 3,351 years.

Homemade outdoor church and sculpture garden decorated with glass shards.

Whimsical cartoon cars suspended on posts soar over an automotive shop.

16,500-acre ranch filled with American heritage, geological wonders, and a giant pile of tires is the crown jewel of an intriguing tug-of-war.

This UFO landing strip was created by a charitable Wyoming city that was worried about residents of Jupiter.

Surrounded by a hundred mile radius of billboards, Little America is a roadside attraction whose primary appeal is hospitality.

Mark Twain once stopped at this rest station during his journey to Nevada.

This lava formation earned its whimsical name from the log-like formation of it stones.

The remains of this early 20th century refinery loom on a mountainside like a graffiti-covered fortress.

This lonely gas station has stood at this location since 1917.

A museum chronicling pioneer life constructed over Interstate 80.

High in the Rockies the third largest statue in the U.S. opens her welcoming arms, and lights up the night sky.

This large, castle-like structure is hidden amid the mountains on the grounds of the Utah State Hospital.

An absolutely beautiful 200-foot stained glass installation traces the evolution of knowledge.

This creepy, abandoned cemetery is all that remains of a once booming mining town.

A desert settlement founded and later abandoned by Hawaiian members of the Church of Jesus Christ of Latter-day Saints in Utah's Skull Valley.

A 90-foot-tall psychedelic "tree" on the side of the highway has baffled passersby for decades.

Oddly shaped rock formation, misassociated with a nearby utopian community.

This ghost town was once a cult-like religious utopian settlement.

Legends surround this jagged rock formation in the New Mexico desert.