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

Berkeley Hot Springs presents to you "the only outdoor monument to presidential bathing."

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

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

The FBI's urban training course may have the highest fake crime rate in the world.

The Virginia home of one of the signers of the Declaration of Independence is being preserved with a unique glass facade.

This scenic Maryland park was the site of one of the worst prison camps of the Civil War.

Captain John Smith thought these cliffs were amazing in 1608 but sharks thought so 20 million years before him.

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

In 1787, a group of delegates met at this very spot to drink, be merry, and ratify the Constitution of the United States.

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

This beloved Baltimore spot features caged dolls, a giant Pez collection, and many, many mannequins.

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

A faded sign from the 1920s remembers Baltimore's resistance toward banning alcohol.

The museum calls itself the "National Museum of the Paranormal" and is full of eerie oddities.

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

Fiji mermaids, mummified remains, and recreated cryptids are among the morbid oddities at this Maryland museum.

Two dozen pinball games hidden away inside a most unlikely location.

Ship skeletons haunt Baltimore's waterways.

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

Crammed into a Baltimore row house is an oddities shop that sells everything from skulls to dead insects.

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

Eighteen miniature death-scene dioramas.

The trials and tribulations of marking Poe's grave.