Thomas Jefferson's estate is home to hundreds of varieties of historic fruits and vegetables.

An innovative attempt to break a siege in the American Civil War still scars the earth today.

Parking garage where Bob Woodward met Watergate source "Deep Throat."

America's first public mental health facility.

One of the last active volcanoes on the Eastern seaboard.

This historic mansion was built as a symbol of love between a husband and wife.

Bubbling up from deep underground is the warm crystal clear water that fills the Warm Springs Pools, America's oldest spa.

A home built with marble tombstones from the graves of 2,200 Union soldiers buried in a Virginia cemetery.

The highest point in Virginia can only be reached by passing through ponies and flowers.

A railroad tunnel that, upon its completion, was considered one of the engineering marvels of the modern world.

A 300-yard long natural tunnel runs through a ridge deep in the Appalachian Mountains.

Paranormal investigators claim this abandoned asylum is the most haunted spot in the eastern U.S.

Giant busts of 42 U.S. presidents are sitting in a field in Virginia.

The remains of a failed attempt at medieval nerdery are hidden deep in the woods of Virginia.

One of the dwarven trees dates back to 1625 and survived the Hiroshima bombing.

Long-abandoned trolley tunnels just a mile away from the White House are turning into an art space.

Home to items never before seen by the public.

The site of the climactic scene from the classic horror film is now a historic landmark.

Franciscan monks created a facsimile of the Holy Land for North Americans who couldn’t afford the trip overseas.

Hidden beneath the famous St. Peter's Basilica is a veritable city of the dead that may hold the remains of St. Peter himself.