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

A more than 260-year-old crypt built on Boston's oldest English burial ground.

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

Painstakingly built dioramas sit unnoticed in a Boston office building.

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

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

These whimsical works of art tell the story of the city's past and present.

From bench to vandalism to art, this silly prank seat was funny enough to become permanent.

This giant Boston statue of Mary is standing on a globe to show her power over the universe.

This ambitious father and son team reigned supreme over the North End, and witches, for many years.

Shelves covered in dozens of coffee bean varieties fill this North End institution.

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

Mrs. Mallard and her brood are a beloved fixture in Boston Public Garden.

America's original house of worship for Spiritualism, the religious movement based on communing with the dead.

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

The massive machine creates cracking displays of indoor lightning.

Beautiful steampunk ghosts of early Massachusetts.

The bears may be gone, but their old cages can still be found.

Berthed at the Charlestown Navy Yard in Boston, "Old Ironsides" is the oldest commissioned warship still afloat.

Radical Bookstore and Community Space.

Site of a famous 19th-century transcendentalist utopian community, now abandoned.

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

19th-century operating theatre in which the use of ether was first demonstrated - plus, a skeleton and a mummy!

The often-overlooked ruins of one of the first buildings designed by famous landscape architect Frederick Olmsted.