The ruins of the castle that chemicals built.

This stretch of beach along California's central coast is a busy highway for the largest seal in the northern hemisphere.

With its peeling paint and faded sign, this theater-turned-recycling plant is a nostalgic relic of 1950s Americana.

A massive volcanic plug is now a protected area that hosts a number of bird species.

This symbol of peace is appropriately positioned overlooking the Pacific Ocean.

The "Fun Spot of the Desert" is now a haunting ruin, and a reminder that putting a water park in a desert is a bad idea.

The cluster of boulders near Fort Irwin is covered in military insignia.

Millions of years of oxidation make a drive down this winding Death Valley road surprisingly colorful.

Singapore's landscaping project is home to 18 incredible Supertrees.

Colorful umbrella-covered trees in Singapore's Little India look straight out of Dr. Seuss.

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

Rusty industrial city full of oxidized distillation towers.

Get up close to emus and ostriches, or buy their tasty meat.

Built by the inventor of the radio, this abandoned hotel has housed early radio employees, military men, and a dangerous cult.

This abandoned boat was left in place thanks to its rotting beauty.

Its buzzing collection honors vibrator history.

Nestled in the heart of San Francisco’s bustling Financial District stands a unique homage to the Mayan and Beaux Arts.

A still functioning vaudeville carousel that has operated for over a century boasts a colorful menagerie and past.

Once close to extinction, there is no shortage of elephant seals on the beaches of Año Nuevo State Park.

After starting as a whimsical tourist attraction that eventually found its way to ruin, these renovated canals offer a lush and exotic locale on the Pacific Coast.

A New England-style lighthouse along California's beautiful Highway 1 gets a re-do.

Finale of "William Tell Overture" can be heard as drivers pass over grooves in the road.

The legendary building that needed ghostly approval before being built.

This iconic L.A. bookshop is housed in an abandoned bank—both symbolic and chic.