An easy-to-miss garden in Boston's North End honors the mother of JFK and others who lost children in WWII.

The Boston home of a conductor on the Underground Railroad.

This "life-size" depiction of Mickey Mouse as a half-lobster is both whimsical and a bit creepy, standing guard over the Boston waterfront.

Historic home of a Black veteran of the American Revolution and one of the earliest civil rights activists in the United States.

In 1958, an MIT fraternity pledge laid down on this bridge and instituted a new, unique unit of measurement.

These items are all that remain from the room used by the author during his second tour of the U.S.

This small shop walked so America could run on Dunkin'.

The history of the tea trade is told in bas-relief on this historic pair of Boston doors.

An enormous, inside-out glass globe built in 1935.

One of the few remaining monuments dedicated to South Boston's Irish heritage.

In the 19th century, this was the center of Boston's Black community.

This stone gatehouse was once the entrance to a historic mountain resort, and it had a cameo in a cheesy cult horror movie.

This abandoned factory on the Hudson River once churned out a million bricks a week.

The remains of what was once the world's steepest passenger funicular.

The abandoned husk of a mental institution that failed to save a Jazz Age icon still sits nearly unchanged.

This sprawling woodland estate was the brainchild of iconic American industrial designer Russel Wright.

A ruined mansion hidden in the woods of the Hudson Valley, home of a tragically doomed romance.

Collapsing castle on the Hudson river was once the storage site of military surplus business.

100 massive sculptures in the Hudson River Valley.

This abandoned cemetery is crumbling into ruin, exposing the artifacts and bodies buried there.

A 19th century hat factory still stands as a crumbling ruin in upstate New York.

A simple Colonial home with a past haunted by death and madness.

The first ever diner included on the National Register of Historic Places is famous for its custard French toast.

An architectural statement of artistic intent smack in the middle of Providence, Rhode Island's Colonial uniformity.