A Norwegian-born sculptor created these soaring guardian angels at the entrance to Hoover Dam.

An overlooked monument to the celebrity gangster who helped put the sin in Sin City.

“Live hard, ride fast, eat pizza” at this joint filled with Evel Knievel memorabilia.

Temporary Burning Man sculpture made of two 18-wheelers.

Back in 1952, you could get a mushroom cloud chaser with your atomic cocktail.

This intricate Hindu temple is the largest of its kind outside of India itself and was constructed like a giant puzzle.

An enormous illuminated figure dances on the Las Vegas strip.

Incredible miniature towns and buildings created and decorated with thousands of tiny rocks.

This "Plant Farm Museum" is home to the divinely inspired and visionary outsider artwork of Reverend Howard Finster.

One man's grief over the national tragedy has manifested in a pod of homemade whales on his front lawn.

Though it's unclear why it's there, the lifelike sculpture of the giant lizard is oddly charming.

This historic crypt was said to have been designed and built by the very person who is buried inside of it.

This creative sculpture was a way to "recycle" an old tree.

This sidewalk monument honors more than 50 civil rights activists who helped change the face of America.

One of only two pod-shaped homes designed by Frank Lloyd Wright.

This divisive system of turtle tunnels was built to save animals stranded after a highway split a lake in half.

The picturesque southern city served as the zombie-filled town of Woodbury in 'The Walking Dead.'

This ever-changing arrangement of naked dolls even caught the attention of "The Walking Dead" crew.

A white oak with property rights.

After just one epic test blast, this literal loose cannon proved too explosive for combat.

These ancient ritual mounds are our best window into the culture of the ancient Mississippians.

The ruins of a paper mill destroyed during the Civil War still tower over a tributary of the Chattahoochee River.

This ancient octopus-like tree was saved from destruction thanks to shady reporting.

The only subterranean ping pong table in Atlanta.