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

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

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

This once-palatial plantation may have been the site where a draft of the Declaration of Independence was written.

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

The final resting place of two (or three) presidents, one vampire, and 18,000 Confederate soldiers.

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

The flower-shaped temple in Virginia aims to transcend the boundaries of the world’s religions.

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

Exact replica of the ancient monument, but much, much lighter.

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

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

This museum devoted to the gothic author holds such interesting ephemera as his socks and walking stick.

Edgar Allan Poe's old dorm is now a shrine to the author's legacy.

A tribute to the beloved, kind-hearted "homeless mayor" of Silver Spring.

The United States' oldest Episcopal church still in active use.

This 1830s store is believed to be the site of Harriet Tubman's first stand.

Wedged between two sets of row houses is an awkwardly located family graveyard.

Home of the physician who set the leg of John Wilkes Booth after the Lincoln assassination.

Dogs, cats, horses, monkeys, frogs, and fish are laid to rest at the second-oldest pet cemetery in the U.S.

The likeness of the Baltimore music icon was unveiled in time for the anniversary of his Senate hearings on music censorship.

The stone marker that Mason and Dixon placed at the eastern end of the famous north-south border they surveyed.

Historic home of America's sweetheart sharpshooter, Annie Oakley.

A haunting exhibit in a wildlife refuge center highlights threatened species and the conservation efforts needed to save them.