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

This historic folk art garden contains a nightmare tower that claims to be the world's largest concrete totem pole.

Nature's biggest mammal swims in landlocked Oklahoma.

This life-size bronze statue remembers the tallest recorded human in his Illinois hometown.

Famous church recognized for both its unique design and disciplined monks that live according to the Benedictine discipline.

Known as the "Cross At The Crossroads," this massive metal cross is just short enough to avoid the FAA.

The inventor of a number of hybrid corn species is immortalized with a field of giant corn.

This massive airship factory is so large that it has its own indoor weather.

"Where the ducks walk on fish."

A grandiose title could not save this mercantile community from obscurity.

This alley-cum-fan gallery in the ex-Nirvana drummer's hometown holds the world's largest drumsticks.

The site of Neil Armstrong's first flight is marked by a full on replica of the moon landers.

This Pennsylvania cave holds evidence of the oldest known inhabitants of North America.

The largest burial mound in the United States holds the remains of prehistoric West Virginians.

First a root beer ad, then a golf course clubhouse, and finally a massive teapot.

The pop art icon's gravesite is broadcast 24 hours a day on his museum's website.

The house that Frank Lloyd Wright "(shook) out of his sleeve at will" at the age of 86.

Frank Lloyd Wright’s most iconic home dangles over a Pennsylvania waterfall.

Elevated freight railway turned wildly successful urban park.

An artist's cute bronze subway sculptures belie his violent artistic past.

Step inside Lucy, the world's largest "elephant."

A tradition unlike any other, this marks the site of the annual Groundhog's Day tradition.

Steepest flood safety railway in the entire world.

Pennsylvania's own Roswell-style UFO mystery.