Buy a token from the liquor store and you can make this beast spew flames on command.

This former small town was destroyed not by the motor oil it sprayed the ground with but by the toxic waste that was added.

A flat slab of stone perched hundreds of feet above the Gasconade River in the northern Ozark mountains.

This former mining town was named the most toxic town in America.

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

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

This massive Art Deco-inspired mural was the world's largest augmented reality artwork at the time of its completion.

An acoustic anomaly with a mysterious cause.

Over a dozen Native American earth mounds dating back over 2,000 years dot this Tennessee archaeological park.

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

The scene of the largest surrender of Confederate troops at the end of the American Civil War.

From a T-rex to a teapot, a cast of artificial fossils illustrates New Mexico's history.

The Grand Canyon of Texas.

A key producer of charcoal iron in the early 1800s, the structure still stands today.