A recreation of the doomed ocean liner in the middle of the Smoky Mountains.

A pair of large white marble lions guard this stretch of the Mojave Desert, and it is utterly mysterious how they got there.

Though tiki culture has gone in and out of fashion, the Tonga Hut has always been flying the flag in Los Angeles.

Where America's first doomsday cult awaited the end of the world.

An overgrown collection of miniature buildings still stand as evidence of one couple's obsession with The King.

The final resting place of one of the most sensational guitar players of all time was created only after his father got the rights to his music.

A giant donut stands as a popular symbol of Los Angeles iconography.

There is an unmarked red button hidden over Houston's Buffalo Bayou that is just begging to pushed...

A replica that won't float away.

An unusual assortment of steerable wooden sleds is on display in a library in New Jersey where they were first invented.

This tiny structure was built by the creator of the Brooklyn Bridge.

A playground inspired by differential calculus dangles from the ceiling of the Liberty Science Center.

Once forgotten, this strip of sand was a rare beachside haven for Black Americans in Atlantic City.

A small museum along the Susquehanna River is home to a rich collection of Native American artifacts.

Intricate storybook scenes are tucked inside these shadow boxes, which are tucked inside a library in the Pocono Mountains.

Its vintage camera collection gives a snapshot of the past as viewed through a photographic lens.

The Pennsylvania landscape depicted by a quarter mile of mosaics made from used road signs.

A historic covered bridge is but one example of an oddly prevalent American urban legend.

This palatial botanical garden is home to one of the largest pipe organs ever installed in a private residence, and a piece of Wood's cycad.

Delicate Wurlitzers, creepy clowns, and The Noid all share space in this insane explosion of kitsch history.

Mural made of 100,000 pieces of hand blown glass, and until recently, the largest glass mural in the US.

A private collection of massive steel monsters guarding a Texas pipe works.

The site of a classic series of Laurel and Hardy pratfalls.

Buildings that dynamite couldn't bring down were abandoned because of bathroom issues.