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

The "world's biggest dinosaur" once housed a creationist museum in its abdomen.

Colorado's only true geyser is hidden within the San Juan National Forest.

Abandoned silver mine strewn with wrecked and twisted structures.

A massive sea stack famous for its appearance in The Goonies.

A multimedia experience that chronicles the atrocities of racism.

A 120-year-old legend concerning an empty circular patch in the North Carolina woods.

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

One man has installed bathtubs into the Utah desert floor to harness the powers of a natural hot spring.

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

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

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

Abandoned bridge hidden deep in the San Gabriel Mountains.

A Texas cave network is home to some of the world's most spectacular-looking and bizarrely named mineral formations.

The site of murders and Satanic cult gatherings.

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

Friction between grains of sand cause a curious "singing" sound.

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

One of the largest, oldest, darkest, quietest motel rooms in the world.

Only known mainland rookery of the threatened Stellar sea lion.

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

Half of a waterfall goes into the river while the other half seems to disappear.

This macabre shop, filled with art, oddities, and taxidermy is hidden in the heart of the French Quarter.

This traditional garden in the San Fernando Valley doubled for Star Fleet Academy, and is irrigated entirely by wastewater.