The only recreation of William Shakespeare's indoor playhouse.

An unusual sculpture, an interesting history, in a strange place, for a good cause.

This rare triple-jurisdiction drawbridge passes through Virginia, Maryland, and Washington, D.C.

A star fort along the C&O Canal in western Maryland that protected America in three wars.

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

A pre-Industrial Age iron furnace and the site of a nearly-forgotten piece of Black history.

Live data is transmitted from the Atlantic coast to instantly recreate the ocean waves in this fountain at the NOAA headquarters.

A cave on the Maryland border where civilians took refuge during the bloodiest battle of the Civil War.

This Maryland farm is known for its amazing corn mazes and its 30-foot junkbots.

The remnants of a wooden-hulled fleet built and abandoned in WWI, now home to a thriving ecosystem.

Despite violent work crews and massive delays this abandoned canal tunnel was built to last into the modern day.

A priceless collection of the Nation's cryptologic history.

An eerie, decaying ghost town destined to fade into the forest.

A museum dedicated to exhibiting remarkable outsider art.

It's not hard to see why the historic Peabody Conservatory of Music's library has been described as a "cathedral of books."

A collection of artifacts from Maryland's maritime past.

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

An unexpected Easter egg lurks in the background of a cherub wall relief at the Breakers mansion.

Three and a half miles of cliffs, rocky beaches, Gilded Age mansions and 40 Steps to nowhere in particular.

Ruins of a historic medical facility sits eerily by the water.

The US Navy's only submarine museum is also home to the world's first nuclear submarine.

How did the right arm of a 13th-century English bishop wind up in a Connecticut church?

FDR's Art Deco hospital tower was hopelessly inefficient.