A Texas cave network is home to some of the world's most spectacular-looking and bizarrely named mineral formations.

A sculpture made of 10 Cadillacs as a monument to the "Golden Age" of the American automobile.

An old saloon in the West filled with history, and according to some, a few dozen ghosts.

Dramatic river bend surrounds a natural red-rocked pedestal.

Giant origami sculptures tucked into desert scenery beckon passers-by to explore further.

This ancient art form was used to capture the lives and struggles of the Haywood Street ministry.

Rural churches in the middle of nowhere with religious frescoes by famous artist.

The world's largest set of the ten commandments lay nestled in the heart of the Great Smoky Mountains.

Down the road from where the Wright brothers lifted off is another flight tribute practically hidden from sight in the woods.

A folk art mecca famous among outsider art fans.

The 15-foot-wide, 2-ton pan fries hundreds of chickens once a year.

An eerily abandoned stone tower is all that remains of a demolished dam on Cape Fear River.

A six-foot pair of socks hangs from a drawer of the world's largest bureau.

This rare basilica nestled right in downtown Asheville is an architectural marvel, inside and out.

A retired tobacco farmer's pet project turned into a sturdy miniature city.

A piece of outsider public art accompanied by a strange urban legend.

The remains of the iconic train crash from the movie The Fugitive can still be found rusting along the Great Smoky Railroad.

A 120-year-old legend concerning an empty circular patch in the North Carolina woods.

This bright yellow relic is the final survivor of a short burst of seashell-shaped petrol pumps.

This bridge is haunted by the ghost of a distraught mother.

This WWII-era military installation once held an entire city within its walls - now, its walls are falling down.

Considered by many to be one of the most dangerous highways in Alaska.

During the summer, surfers in Alaska take advantage of this inlet’s unusual water patterns.

This small city where almost everyone lives in the same building can only be reached via North America's longest tunnel.