The R&B singer's modest church guarantees a religious experience, regardless of your beliefs.

This defunct, fortress-like prison has been the setting for several movies.

A recreation of the doomed ocean liner in the middle of the Smoky Mountains.

The secret city built by the Manhattan Project.

All that's left of the quintessential "cabin in the woods."

The oldest apple tree in the Pacific Northwest.

Walking by this fence is like strolling along a portal to various fictional worlds.

The second tallest railway trestle bridge in America.

The remains of a former logging boom town, crumbled away in the forest.

This impressively large collection includes crackers shaped like Jimmy Carter, Mickey Mouse, and more.

The Denny Substation has been called "the coolest substation in the world" and sits in a densely populated Seattle neighborhood.

"The Reptile Man's" very own roadside zoo features an albino alligator.

A tribute to the Nirvana frontman hides beneath the bridge that was the singer's beloved hangout spot.

An abandoned 19th-century hospital now swirling in ghost stories.

An annual celebration of the infamous, unsolved skyjacking.

This super-sized skillet is a replica of a usable giant pan where a woman once skated on bacon.

The building features one of the last remaining free-floating spiral grand staircases in the U.S.

Orcas on display and in the water.

The world's largest egg has been cracked a number of times over the years but has been repeatedly replaced.

This bridge provides safe passage for squirrels.

This famous bridge twisted itself into oblivion, but not for the reason you might think.

This Cold War missile launch site has been abandoned for 40 years.

A nearly abandoned 19th-century town on the Palouse.

Four abandoned towers hidden above the Douglas fir forest in Washington.