A late sculptor's last project was to turn this abandoned cement factory into a castle-themed amusement park.

A notorious Route 66 eatery once frequented by Al Capone.

This is not your typical jungle gym.

Speak to a companion on the other side of the room loud and clear through this architectural anomaly.

One of few surviving standpipe water towers in the U.S.

University City's quirkiest resident lives in a park named after its first.

This titanic oil company sign is a reminder of the Americana boom of the 1970s and also its commoditization.

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

What was meant to be a temporary exhibit is now a permanent fixture at the St. Louis Zoo filled with beautiful birds.

The world's second largest rocking chair is found on Route 66 in Cuba... Missouri.

A 35-foot-tall fork stuck in the ground outside an office building in Missouri.

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

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.

This blowhole is supposedly caused by a trapped monster.

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

Giant, natural amphitheaters made of delicate geological formations called "hoodoos."

Local lore holds that Butch Cassidy took an escape route through Red Canyon's sandstone hoodoos after an attempted murder.

The residents at this Yellowstone wildlife park will certify your cooler as "bear-proof."

Supposedly Satanic numbers adorn this preserved submarine sail.

Home to the deepest rift anywhere on Earth.

A towering tribute to decisiveness stands on the spot where Brigham Young and his followers decided that this must be the place.

A water tower shaped like a giant coffee pot looms over a small Swedish village in Central California.

Dubbed the "Blade Runner dragon," this buzzing neon sign is a beloved local icon.

The location along the shores of the Great Salt Lake of what was once called, "The Coney Island of the West", now sits barren due to arson and time.