Someone really, really wanted to save this fast-food icon from demolition.

The "Sultan of Swat" once attended a school at the site of this baseball field.

This advertisement for talcum powder was painted on the rock face and has since defied removal.

One of the oldest active carousels in the country—but it might be missed by all but the keenest-eyed boardwalk strollers.

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

The 72-foot giant escaped confinement in a large patch of mulch only to be reburied in the sandy shores of the Potomac River.

A labor of love built by local hang-gliding enthusiasts, this ideal launch spot was outlawed by the authorities and has since been largely abandoned.

This fort down the Potomac from Washington, D.C. was once the only defensive fort protecting the capital.

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

A winding district gerrymandered into the shape of a mantis.

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

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

Washington D.C.'s most famous pianist, composer, and bandleader still tickles the ivories outside Howard Theater.

Once the supplier for noteworthy projects like the National Cathedral, this old brickworks now lies abandoned.

Public opinion is still divided on this enormous sculpture in front of Baltimore's Penn Station.

This grove was planted more than a century ago by the War Mothers of World War I.

This historic hotel invented the chocolate brownie.

In one Chicago park, a trio of werewolves are waiting to devour their fallen brethren.