This twice-relocated "Usonian" home is among the smallest built by master architect Frank Lloyd Wright.

Once forgotten and built over, this historic Black cemetery now houses a poignant memorial.

This simple stone memorial remembers a secret, Geneva Convention-defying interrogation base from WWII.

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

A whopping 14,000 copper coins cover this miniature fighter jet.

Hear, smell, see, taste, and touch history at this immersive Civil War hospital.

This museum sits on the site of a decommissioned military communications base.

An out-of-place Air Force radar dome is all that denotes this park as a former missile launch site.

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

This sprawling museum holds one man's giant collection of real tanks.

The only place for a truly presidential dram.

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

The Virginia farm where John Wilkes Booth met his grisly end is now largely forgotten.

An extensive, if one-sided, history of U.S. law enforcement's war on drugs.

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

The resting place of a Civil War celebrity's amputated limb.

America's first public mental health facility.

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

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

The ruins of this Thomas-Jefferson-designed mansion have been left to crumble since the Christmas Day they burnt down.

An original apothecary from 1792.

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

The skeletal white beams stand as a monument to religious dissent.

Nine of the very few concrete ships ever made in the U.S. are beautifully decaying off a Virginia pier.