The trials and tribulations of marking Poe's grave.

Built by the patriotic residents of Boonsboro in a single day.

One of the only memorials dedicated to journalists who died in combat.

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

The Grand Ole Opry's big voice came from a small home in rural Virginia where she was eventually buried.

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.

America's first federal monument.

The romance of early commercial flight still fills this Art Deco destination.

The national park was once a plantation estate.

The most accurate timepiece in the world.

It was once the base for a series of domestic terror attacks.

The house where John Wilkes Booth conspired with his co-conspirators.

The first purpose-built art gallery in the United States is once again open as a center of craft arts.

During the Industrial Revolution this “Temple of Invention” was full of intricate miniature machines and gadgets.

A monument in Washington D.C. marks the spot from which all other roads were supposed to stem.

A traveling postal dog covered 48 states and more than 140,000 miles, and he lives on as taxidermy, patched up with a rabbit's foot and a pig's ear.