A piece of the Ludendorff Bridge, also known as Remagan Bridge, calls this military base home.

The only place for a truly presidential dram.

The well-preserved remnants of a bridge that once made up a WW1-era military railroad.

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.

This unique structure is the only one of its kind in Virginia.

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