Giant origami sculptures tucked into desert scenery beckon passers-by to explore further.

A walk-in working camera obscura produces 360-degree live images of the San Francisco coast.

Island ghost town detailing Flagler's folly in building the Overseas Railroad.

Arrr! The most authentic collection of pirate artifacts in the world... matey.

A six-story-tall golden pyramid, surrounded by a moat.

Shop of curiosities with a dinosaur museum tucked in its basement.

A layered tribute to the work of mosaicist Isaiah Zagar.

One man's extraordinary topiary garden in a small South Carolina town.

Secret gardens just a few miles from downtown Atlanta.

Cemetery featuring rare glass-fronted columbarium.

Started as a kitchen garden, now the second largest botanical garden in the world.

This quaint archive of the silent era preserves and pays homage to a seminal moment in film history.

A young botanist's horticultural vision realized through a lifetime of planting, tending, and collecting seeds.

Egyptian Revival movie palace abandoned for decades and restored in 2013.

"World's largest scrap metal sculpture" stands in an outdoor sculpture garden in the middle of Wisconsin.

Julia Morgan's Moorish-Gothic labyrinth of fountains, trees, natural light and Oakland's notable dead.

A quaint miniatures museum that turns its focus towards the lives of Americans in a simpler time.

A three-story copper skybridge connects two Manhattan buildings with Art Deco luxury.

These enduring murals depicting a distinctly Marxist tribute to capitalism could not even be defeated by McCarthyism.

This weird abode has inspired everything from the "House On Haunted Hil" to a robot hunter's pad.

An abandoned water sports stadium that has become a haven for graffiti and decay.

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

An angular maze of concrete in Grand Rapids acts both as public art and as a staircase for fish traveling upstream.

The house where John Wilkes Booth conspired with his co-conspirators.