Long-abandoned trolley tunnels just a mile away from the White House are turning into an art space.

America's Most Wanted's set resides in this tribute to the history of crime and punishment.

A hidden passageway now marks the site of an assassination attempt on Ronald Reagan that some say broke a 140-year-old curse.

The iconic D.C. restaurant where the Cuban Missile Crisis was negotiated, now a Walgreens.

When it opened during the final years of the embargo, all the drinks and cigars were free.

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

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.

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

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

A monumental statue of RCA's mascot now sits atop a historical society roof after a life of moving around.

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

A 200-year-old bar with a cheeky name claims to have served Edgar Allan Poe his final drink.

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.

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

This abandoned sea fort has become an accidental bird sanctuary.

Ship skeletons haunt Baltimore's waterways.

A time capsule of Floridian history fights to survive on the banks of Chokoloskee Bay.

The last four extravagant street signs of London's historic banking street.

The townhouse where the English poet created some of his most influential work has been preserved in tribute.

Artists and musicians now rule over this former rail station.

Thanks to modern navigational tools we now know that the true prime meridian runs through a park next door.

The world's first underground farm is in a World War II bomb shelter beneath the streets of London.