The only remaining Cold War–era Minuteman II missile control center in Missouri.

The superstar of Cold War nuclear bunkers has been featured in countless films but is now barely operational.

This inverted metropolis model is the artist's "revenge" for not being allowed to have a doll house as a kid.

This bomb shelter-themed bar has barely changed since it opened.

A botanically themed auditorium blooms within the world’s last operating double-decker theater.

Inside this old mill is a collection of images that will always remain frozen in time.

A journey to a hand-crafted island involves a trip across this lattice bridge.

In a 345-million-year-old cave that's 200 feet underground, dinner awaits.

After retiring, Gary Pendergrass turned his yard into a wonderland of outsider art.

What started as a way to address damp basement walls turned into a house filled with intricate hand-carved designs.

The Beaux-Arts aquarium boasts a vast collection of saltwater and freshwater fish on an island in the Detroit River.

Calidum et Deliciose Succosum!

This Central New York ghost town was once a prosperous railroad community.

This dreamlike museum is filled with the works of an influential surrealist artist whose name you may have never heard.

The first American department store, and home to the largest operating musical instrument in the world.

Chef Lawrence West serves up Indian tacos, wojapi, and other Lakota dishes at the brick-and-mortar incarnation of his popular food truck.

An old-timey peepshow allows visitors to gawk at some of the world's most freakishly large footwear.

Old neon signs from the City of Brotherly Love provide a snapshot of the city’s evolution.

The last remaining 19th-century tenement from Boston's old West End neighborhood.

If there's another drive-through golf-cart bar in a bat-filled cave on top of a mountain, we don't know about it.

The history of the traveling carnival is remembered by this sprawling collection of vintage wagons, games, and rides.

Step into Monet's world at this fine-dining restaurant in the middle of a New Jersey sculpture park.

A sign at the end of the Santa Monica Pier marks the traditional end of the legendary American highway.

A downtown park built on top of unclaimed graves.