One of the now-less-hidden floral gems of the "Emerald Necklace."

Instead of fruit, the branches of this tree are brimming with hopes and dreams.

Giant pinnacles in the sun-scorched lands of Southern Utah have been nicknamed "white ghosts."

Each of these gorgeous, intricately decorated rooms is painstakingly crafted to the scale of 1 inch: 1 foot.

A park full of outsider art, created by college students studying outsider art.

This little museum in the town where zombies were born celebrates the living dead.

A museum within a museum, devoted to history's most questionable medical devices.

Hidden amid the old-world charm of Savannah is a museum dedicated to the world of oddities and criminal history.

The site of murders and Satanic cult gatherings.

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

The L.A. Zoo has a secret garden of rare bootleg cycads, a palm specimen dating back 280 million years.

An unfortunate geological resemblance to Satan has labeled this Pasadena gorge as a passage to the underworld.

This striking public art installation is suspended above a public park, designed to gently move in the breeze.

This naturally heated mountainous creek has created a group of neon blue pools of potentially deadly boiling water.

A gleaming white tower in ornate Indian style soars above the low-slung bungalows of north Tampa.

The remnants of two World's Fairs are here, complete with a 12-story globe, a mini-Manhattan, and a UFO-shaped pavilion.

This ancient octopus-like tree was saved from destruction thanks to shady reporting.

An arcade packed with a rotating collection of unique independent video games.

A medical facility that has been kept frozen in time.

Life-sized sculpture of a blue whale made of hand-recycled plastic trash.

The hotel where Martin Luther King Jr. was shot is now a museum dedicated to his work.

The so-called "Statue of Liberty of Los Angeles" is on a one mutant mission to keep L.A. weird.

The lowest point in North America is home to an undrinkable pool surrounded by fields of geometric salt flats.

Two men built this castle on the Florida coast as an artistic “landscape sculpture.”