The first of Lancaster's "rural cemeteries."

The home of possibly the least-loved U.S. president stands as a sort of unpopular Monticello.

The oldest farmer's market in America is so ancient it was approved by the King of England.

This Art Deco fortress in upstate New York gives Manhattan's vaunted examples of the style a run for their money.

This island castle contains enough secret passageways to support a season of Scooby-Doo episodes.

This small, ingenious cannon once helped regulate Parisian life.

One of the oldest train stations still standing in Virginia played a vital role during the Civil War.

The most historic church in Fairfax County played a role in the creation of the American Red Cross.

A lone historical marker off the highway and scattered debris are all that remain of this Cold War-era missile site.

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

A 14-foot monument marks the resting place of two of the town's earliest residents—and one unknown soldier.

Burke’s oldest cemetery also houses the victim of the county's grisliest murder.

The last early 20th-century schoolhouse in Fairfax County has galvanized the community and engendered a spirit of service among residents.

This homestead was occupied by Union soldiers, who believed the owners were signaling Confederate forces.

The last of nine massive kilns that produced many of the red bricks for buildings in Washington, D.C. and northern Virginia in the early 20th century.

A small, forgotten prison cemetery marked only by a wrought-iron fence and eerie depressions left in the ground.

A weathered, American Foursquare-style house originally built for lumber merchant William Wimsatt.

This field of concrete was once an active defense site armed with nuclear warheads.

Standing for over 200 years, the abandoned home of a Revolutionary War hero and later a succession of prison superintendents.

One of Gettysburg’s least visited battlefield memorials is off the beaten path, but worth a visit.

While seemingly a cruel joke, this bench actually honors an esteemed member of the community who passed away in 2006.

This quirky UFO-shaped curiosity is often mistaken for the airport’s control tower.

Recorded as the first person buried in Arlington Cemetery.

A museum dedicated to linguistics, from how babies learn to talk to endangered and extinct languages.