This isn't your average roadway—it's actually a National Park and a transportation pioneer.

The romance of early commercial flight still fills this Art Deco destination.

An oft-overlooked, magically musical monolith that stands majestically between Arlington Cemetery and the Iwo Jima Memorial.

This church built atop a gas station promises to "equip you for the next stage in your life’s journey."

This unique historical monument features large concrete spheres designed to resemble fallen stars.

At 207 feet, one of the world's longest continuous escalators.

Once home to seven different roller coasters, Glen Echo has undergone many transformations since its founding in 1891.

The bridge's highly-contested plaque (once again) honors Confederate President Jefferson Davis.

Built to defend Washington D.C. during the Civil War, this fort became a post-war nucleus for a thriving Black community.

True to its name, this little house presents like a dollhouse, and surprising details are revealed with a quick peek through the window.

This general store is more than a century old and home to various oddities and antiques.

The "All-Seeing Eye of God" symbol on this library is a clue to one of the many former lives of this building.

A giant time capsule not scheduled to be cored until 2040.

Berkeley Springs State Park boasts the nation's only monument commemorating presidential bathing.

This statue in Talcott, West Virginia, is an enduring symbol of American grit.

A fabulously bizarre surrealist sculpture by the late artist Leonora Carrington.

The striking jade death mask of an ancient Maya king is displayed in a replica tomb in Mexico City.

It's believed this golden brick is part of the legendary lost Aztec treasure.

At a museum of everyday objects, it is the act of collecting that is really on display.

A jewel of the Mexico city skyline now slowly crumbles after surviving an earthquake.

The world's longest known cave system.

One day a year it is legal to jump off of this astoundingly tall bridge that spans an Appalachian gorge.

The "mysteries" of this quintessential roadside oddity were almost destroyed by neglect but were saved by fans of kitschy wonder.

The tallest waterfall in West Virginia.