Once the center of a thriving early Black community called Martinsburg.

The oldest surviving one-room schoolhouse in Montgomery County, Maryland.

Using a massive antenna made up of five miles of wire, two scientists tuned into organic radio waves from the planet Jupiter.

This abandoned Victorian-style house was built in 1884.

The only public school for Black children in the region from 1895-1936.

Experience the pivotal Civil War battle at this interactive museum.

Burial site more than 300 years old.

This historic Art Nouveau mansion has guided tours and impressive views of the Currituck Sound.

Named for a Greek oracle that interpreted the words of Zeus, this beautifully-restored manor home was once home to the architect of the Marshall Plan.

A Civil War Museum with some notable medical antiques.

This advertisement for talcum powder was painted on the rock face and has since defied removal.

Near the state border, cars seem to defy the laws of physics by rolling uphill.

A popular supernatural horror film based in this quaint Maryland village made it a destination for paranormal pilgrimages, but unbeknownst to many, a real rise awaits on a lonely hill on the edge of town, steeped in local legend

The final home of the most famous horse of the American Civil War.

A merry-go-round that became a rallying point for the early Civil Rights Movement.

This pre-Revolutionary War grist mill ground corn and flour for soldiers in seven American wars.

This Virginia railway overpass is said to be haunted by a serial killer in a rabbit costume.

Where three rails and three centuries of transportation meet.

The final resting place of two (or three) presidents, one vampire, and 18,000 Confederate soldiers.

A small Richmond island dotted with the remnants of hundreds of years of history.

There's an old indoor swimming pool hidden directly underneath the White House Press Briefing Room.

This train station inspired the name of a 1970's rock band and provided the backdrop for their album cover.

Perhaps the most scandalous statue of America's first president.

A 1,100-ton train fell through the floor in 1953. Workers got it patched up in just 72 hours.