The nation's second-ever First Lady urged the founding fathers to "remember the ladies."

The ceiling of this vintage movie palace is covered in fantastic Art Deco murals.

This dramatic rail curve was once the target of a failed Nazi attack.

A collection of artifacts from Maryland's maritime past.

FDR's Art Deco hospital tower was hopelessly inefficient.

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

The childhood home of the Sultan of Swat is just a line drive away from Oriole Park at Camden Yards.

The tallest The Church of Jesus Christ of Latter-day Saints temple in the world soars above the Beltway.

Baltimore's classic clock tower was once topped by a rotating, 20-ton medicine bottle.

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

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

This beautiful stone arch bridge wasn't even expected to stand for one day, but people have been crossing it for centuries.

A Civil War Museum with some notable medical antiques.

The final resting place of the tragic king and queen of the Jazz Age is tucked away in a small Maryland graveyard.

The site where Poe "in great distress, and ... in need of immediate assistance" likely died.

The trials and tribulations of marking Poe's grave.

These tourist trap caverns are said to be the former home of a legendary Pennsylvania Hermit.

Home of the only civilian casualty at the Battle of Gettysburg.

A dramatic, 360-degree recreation of Pickett's Charge in the Civil War.

This monument marks the beginning journey of a wounded soldier's leg that ended up almost two states away.

A pyramid commemorates the birthplace of James Buchanan, the 15th president of the United States

An abandoned stretch of highway, deteriorating next to the operational one.

Once the "Eighth Wonder of the World," this iron railroad bridge was decimated by a tornado.

The site of the little-known Pennsylvania battle that sparked the Seven Years' War.