A 98-room castle in the middle of Toronto that bankrupted a 19th century electricity multimillionaire.

A book collector's dream, this Toronto bookstore has the world's first "Biblio-Mat," a random book vending machine.

Sacks of potatoes, made of cast stone, mark where the iconic potato sheds once stood along the river.

The giant birds honor two native North American species.

One of the largest underground systems runs under Canada's largest urban center.

Commemorating the 1948 creation of the Jimmy Fund, a Boston-based cancer charity.

A luxury hotel constructed out of a former jail.

This hotel was the site of major events in sports and radio history. It was also used as a detention center during World War II.

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

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

The former site of an all-but-forgotten colonial landmark is now remembered by an often overlooked bas relief.

A plaque memorializes the Boston location of one of the largest nightclub fires in history.

The world's largest piece of copyrighted artwork.

Rising 30 feet in the air atop Quarry Hill, the Old Powder House is the oldest stone building in the state of Massachusetts.

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

This candy-colored storybook village originated as a 19th-century Methodist campground.

On a former island, this old fortification once used to protect the Boston Area and started Edgar Allan Poe in his military career.

This peaceful Massachusetts graveyard was one of the first "garden-style" cemeteries in America.

Impossibly life-like natural history models created out of glass by a father and son.

The first bell ever cast in Boston was cast by Paul Revere...and sounded terrible.

This monument on Breed's Hill proves that one of the most famous battles of the Revolutionary War is misnamed.

A men’s restroom became a sandwich shop.

The tomb of Increase Mather and his son Cotton, influential colonial ministers obsessed with the occult.

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