Volcanic stone sentinels stand watch at a Korean Bell Garden in Virginia.

A double agent hid information for the Soviet Union beneath this bridge for more than 20 years.

This colonial tavern played host to George Washington, Thomas Jefferson, and other famous early Americans.

Forget Hollywood, one of the biggest stars in the world can be found in Roanoke, Virginia.

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

The rogue roots are gradually consuming some of the historic marble grave markers.

The Virginia home of one of the signers of the Declaration of Independence is being preserved with a unique glass facade.

This grave marks the passing of a historic Jane Doe whose identity remains a mystery to this day.

An eight-sided home built during a brief octagon craze in the 1850s.

Under a playground is a little-known sealed train tunnel that likely contains the bodies of workers trapped by cave-ins.

The eerie ruins of a remote abandoned hamlet said to be founded by the survivors of a shipwreck.

Inspired by a foil-wrapped potato, (seriously) the Markel Building has been deemed one of the 10 ugliest buildings in the world.

This unique historical monument features large concrete spheres designed to resemble fallen stars.

The narrowest house in America is seven feet of pure spite.

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

One of the last active volcanoes on the Eastern seaboard.

The oddly shaped, steam-spewing building is now an art studio and gallery.

This old-fashioned carhop restaurant gave the world the waffle cone.

The home of pigs, snakes, chameleons, and the alleged largest bunny in the United States.

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

Lines from a walking song are etched into a rock in Natural Bridge State Park.

An original apothecary from 1792.

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

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