The United States Capitol's former columns still stand.

One of the dwarven trees dates back to 1625 and survived the Hiroshima bombing.

Largest Roman Catholic church in North America.

A haunting tribute to pioneering photographer Clover Adams.

Giant acorn-shaped 19th century gazebo from which suburban Washingtonians gazed upon the original "silver" spring.

Rediscovered after a century, the father of the American Navy was reinterred in something dredged up from Davy Jones' Locker.

An FDR-era tuberculosis sanatorium has stood abandoned in the suburbs of the U.S. capital for over 30 years.

A priceless collection of the Nation's cryptologic history.

The haunting "Hell House Altar" is one of the few remnants of an abandoned college that has been a magnet for local legends.

This free, take-a-book shop seems like a trick but isn't.

A blank headstone topped with a pile of pennies marks the final resting place of the infamous assassin.

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

The design of this historic domed church was influenced by Thomas Jefferson and intended as a statement of religious freedom.

Once America's tallest structure, now a Baltimore landmark.

The trials and tribulations of marking Poe's grave.

A museum dedicated to exhibiting remarkable outsider art.