Once one of the world's great cities, Cahokia was a place of religious worship, trade and mass human sacrifice before being mysteriously abandoned.

This is not your typical jungle gym.

This former small town was destroyed not by the motor oil it sprayed the ground with but by the toxic waste that was added.

The world's second largest rocking chair is found on Route 66 in Cuba... Missouri.

A half-size replica of the World Trade Center towers above Tulsa.

A 35-foot-tall fork stuck in the ground outside an office building in Missouri.

For those going through a life transition, a place to leave behind a piece of your former self.

The first Protestant church in Arizona and only Gothic Revival style adobe church in the world.

Dine like an American revolutionary at Colonial Williamsburg.

This Georgian-style house built in 1746 is the oldest surviving structure in Bladensburg.

A superbly preserved example of Georgian residential architecture that was once home to one of the founders of Alexandria, Virginia.

This giant pocket watch is the third iteration of a local landmark that has been standing just off the Santa Fe Plaza for over 100 years.

George Washington once stopped by this house for dinner.

Washington D.C.'s most famous pianist, composer, and bandleader still tickles the ivories outside Howard Theater.

The world's only teal arches exist in a city that cares more about its aesthetic than an Instagram influencer.

Just outside the Naval Academy, Hell Point is a historical marker that could easily be the point where failed students wait for the bus.

In what is rumored to be an intentional act of spite, this memorial almost completely obscures the nearby grave of a senior officer.

The first motion picture theater in southern Utah, reimagined and renovated as an arts hub.

The world's oldest soul food restaurant is also one of its best.

Built in the 1850s, this church was of the first five churches constructed in Harper's Ferry.

A giant mascot, a car bomb, and the mafia mingle in the history of a defunct restaurant chain.

This shale formation along the Appalachian Trail once inspired the third president of the United States.

Walk through the sets of old western films at this small museum in Utah.

More than a century old, this trading post resides in the Navajo Nation.