This sprawling farm was once a Cold War-era hideaway for the nation's top diplomats.

A renovated schoolhouse that highlights the history of Clarke County's Black community.

Little has changed in the way that this mill operates since the 18th-century.

Extraordinary objects lurk in this quintessential regional museum.

The Grand Ole Opry's big voice came from a small home in rural Virginia where she was eventually buried.

An eponymous directional signpost erected by the first president of the United States.

Outsider art meets paleontology at this roadside reptile repository.

George Washington's dentures and Queen Victoria's dental instruments are in the nation’s official museum of the dental profession.

Walk through the history of American pop culture.

A remote horde of architectural treasures fit for Indiana Jones.

This former asylum for Black Americans is haunted by its history of violence and racism.

A small 19th-century graveyard tucked away in the middle of a suburban neighborhood.

The only public swimming pool in Baltimore open to Black Americans during segregation is now a permanent memorial art exhibit.

Crammed into a Baltimore row house is an oddities shop that sells everything from skulls to dead insects.

This lovely tree was a thank you gift from the man known as "Public Enemy No.1."

Once part of a dam servicing an early 19th century grist mill, the tucked-way falls are a tricky-to-find urban oasis.

Once a thriving business district, this former shopping area is now an urban ghost town in the heart of the city.

Eighteen miniature death-scene dioramas.

The childhood home of the Sultan of Swat is just a line drive away from Oriole Park at Camden Yards.

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

Walk in the footsteps of the famed astronaut at Purdue University.

The large rock formation where the Shawnee prophet Tenskwatawa stood and encouraged his warriors during the Battle of Tippecanoe.

A large collection of motorbikes with some impressive gems.

A unique outdoor timepiece at a "clothing-optional" resort.