The unbelievably opulent home built for an infamous newspaperman.

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

The world’s largest concentrated solar plant generates as many problems as megawatts.

This golf ball–shaped former desert real estate office now houses a UFO museum.

A B-17 bomber stands as a memorial to the residents of Tulare County who served in World War II.

This abandoned motel doesn't welcome guests anymore, but decay and a creepy atmosphere still call it home.

Trails through lava-carved tube-caves display sparkling bacteria and a rich history.

This immigrant bridge once spanned the Thames but is now a fixture of an Arizona city.

Ninety feet off the valley floor is an ancient dwelling put under protection of the U.S. government by Teddy Roosevelt.

One believer transformed a local curiosity into proof of Vikings on the Great Plains.

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

A local prank turned town icon.

Sail through this subterranean show cave that is home to a legend that would go on to name nearly everything around it.

The hometown of Popeye's creator is littered with a growing collection of granite cartoon characters.

An enormous natural sandstone bridge in Kentucky.

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

Aqueducts have dramatically changed this old lake, now home to tufa towers and its very own species of tiny brine shrimp.

Four hundred granite steps were built into this massive rock by the National Park Service.

A remote crossroads honoring a fallen talent.

The interior of the Overlook Hotel in "The Shining" was based on this Yosemite original.

Quite simply the largest tree in the world (by volume).

The deepest lake in the United States, and once the site of epic destruction that lives on in legends.

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

Fake rail crossings mark the site of an influential doctor's demise.