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

This simple convenience store sits on the location where the Ouija board was named—and has a plaque to prove it.

Once a thriving business district, this former shopping area is now an urban ghost town in the heart of the city.

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

One artist’s scheme to expand museum viewing hours into the evening led to the illumination of an entire city.

Baltimore's first skyscraper may be home to the inspiration behind pulp fiction's most celebrated bird.

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

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

One of the oldest anatomical theaters in the U.S. still in use was once the site of an infamous cadaver riot.

George Washington's dentures and Queen Victoria's dental instruments are in the nation’s official museum of the dental profession.

An abandoned church gets a second life as a massive beer hall and event space.

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

America's first nuclear-powered merchant ship is now a time warp to the atomic age.

An atomic bomb-proof strongbox protects the U.S. Constitution from terrorists and thieves.

The oldest building in the District of Columbia was preserved because of a mistaken connection to George Washington.

Delicate Wurlitzers, creepy clowns, and The Noid all share space in this insane explosion of kitsch history.

A smaller model of the Da Vinci sculpture that took 500 years to come to life.

The famous bell was secreted away and hidden in a church in Allentown during the British occupation of Philadelphia.

An eccentric priest's tribute to George Washington, this chapel tells the story of the American Revolution.

Daredevil repair workers can worm their way out the access hatch, loop ropes over the apex and rappel down the monument.

The monument's pointy aluminum tip has been melted down by repeated lightning strikes.

The remains of Martha, the last known passenger pigeon, serve as a tool to educate about conservation.

The 28,000-year-old specimen is remarkably intact.

Ironically this massive termite is the mascot for a company that is acclaimed for killing his kind.