While he no longer has an eatery to give him context, this off-brand Paul Bunyan still holds his giant hot dog with pride.

This historic Illinois "Muffler Man" has been converted from axe-touting lumberjack to rocket-wielding space ace.

A sprawling outdoor museum filled with larger-than-life works of art.

The origin of the Nixon tapes is rooted in technological incompetence as much as secrecy.

These sprawling mines once served as a source of plaster and today serve as a storage facility.

This observatory comes complete with three separate telescopes and a dedicated community of amateur and expert astronomers.

This is the last hand-cranked chain ferry of its kind in operation in the United States.

The United States's largest hand-dug well is topped with a state-of-the-art museum.

After retiring, Gary Pendergrass turned his yard into a wonderland of outsider art.

The grandson of a Kiowa chief created what has become the iconic symbol of a city on the Plains.

A rainbow-colored house promotes LGBTQ rights across the street from the Westboro Baptist Church.

Metal sculpture folk art lining the Kansas Highway.

A clear blue swimming hole with hidden caves, still unexplored.

In 1975, a forestry worker in Arizona claimed to have been abducted by a UFO.

The first permanent memorial to a unique secret weapon of World War II.

In this small Phoenix taxidermy emporium, you can find everything from a squid in a jar to a freeze-dried toad.

A historic hydroelectric power plant serves as the unusual backdrop for a public park.

A geological mystery on Camelback Mountain.

A towering bronze statue memorializes the founding father of postwar American conservatism.

This rustic cabin, outfitted with gun slits, was once home to John D. Tewksbury, patriarch of the bloodiest family feud in American history.

Once a year, at exactly 11:11 a.m., this monument comes to life.

This tucked-away cemetery is the final resting place of a prospector who uncovered one of the largest gold mines in Arizona.

Opinions differ as to whether this Arizona tree was actually used as a Wild West jail, but that hasn't stopped the town from capitalizing on it.

One of the best-preserved ghost towns in Arizona speaks to the difficulties of establishing mining towns in the 19th century American West.