The only quarter of the Old City not dedicated to a major world religion.

One of the now-less-hidden floral gems of the "Emerald Necklace."

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

Ice cream stand, snack bar, and time capsule of milk conveyance.

One of the oldest used bookstores in the U.S. has been selling antiquarian treasures since 1825.

The final resting place of the first documented Chinese person in the United States lies in a Boston cemetery.

American revolutionaries and British soldiers alike are buried here in the fourth-ever cemetery in Boston.

The Boston square dedicated to the dark poet who was born nearby.

This statue intended for children to enjoy became a minor political spat.

The site where Charles Dickens gave his first public reading of "A Christmas Carol" in the US.

The site of Paul Revere's historic two lantern warning.

Narrowest house in Boston.

This landmark cemetery in Boston was created more than 300 years ago.

Tragedy on Little Brewster Island memorialized.

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

A "miracle" that seems to produce more holy fistfights than holy revelations.

Brass bricks outline the locations of Edinburgh's lost, lively market stalls.

A giant time capsule not scheduled to be cored until 2040.

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

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

The site where Poe “in great distress, and ... in need of immediate assistance” likely died.

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

This spot memorializes one of the greatest plays in NFL history, unless you happen to be a Raiders fan.

The last street in Pittsburgh that's paved with wood.