Behold the rickety wooden glory of the world's oldest operating roller coaster.

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

Alabama has a fiberglass Stonehenge. With apologies to Spinal Tap, this one is full-size.

Pensacola's UFO home has withstood many hurricanes—just as the experimental 1960s design intended.

Off of the Crawfordville Highway in Florida, nature is taking back this decrepit row of Ford trucks.

This phone booth-sized municipal building has been a piece of police property for more than half a century.

The bottle house obsession struck a Florida man in his retirement, and now he can't stop building.

This maze-like slot canyon is a unique gem within an already fascinating geological area.

One day a year it is legal to jump off of this astoundingly tall bridge that spans an Appalachian gorge.

The Pennsylvania shopping center was once the setting for the 1978 film, "Dawn of the Dead."

A miniature golf course crafted inside the world's largest simulated cave.

Nothing says indulgence like a 1,500-pound chocolate castle.

The largest retailer of seashells in the world.

A monument celebrating the idea of reaching inaccessible places.

The former home of the Nobel Prize-winning American writer is now home to dozens of six-toed cats.

The world's largest fully steerable radio telescope.

This spectacular public market has got meat, fish, vegetables, baked goods, and enough kielbasa for a lifetime.

The home made famous by the 1983 holiday classic is now a perfectly preserved shrine to the movie.

Standing in a state of "arrested decay," this ghost town allows for a detailed peek into Gold Rush life in an unusually harsh climate.

Quite simply the largest tree in the world (by volume).

Come for the speed, leave in love with the desert.

Officially named the "Loneliest Road in America," this barren stretch of Nevada road offers almost nothing but sky and open fields.

Aqueducts have dramatically changed this old lake, now home to tufa towers and its very own species of tiny brine shrimp.

The largest island on the great salt lake is home to curious creatures and strange stories.