Where layer cakes tower above one’s head and there is never a shortage of icing.

This upscale streetwear store is hidden behind a fake Snapple machine in the back of a deli.

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

Painstakingly built dioramas sit unnoticed in a Boston office building.

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

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

Beautiful steampunk ghosts of early Massachusetts.

The American Revolution was galvanized into serious action due to the tragic clash with British soldiers that occurred at this location.

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

Radical Bookstore and Community Space.

The former locus of Boston's high culture has been shuttered and buried for over 70 years.

The site of one of the strangest disasters in history—a wave of deadly molasses traveling at 35 mph.

Ralph Waldo Emerson spent two years living here decades before it became a Frederick Law Olmsted-designed park.

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

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

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

This Boston medical museum features the skull of the famous medical case of Phineas Gage.

A hands-on traveling collection of the innovative devices of yesteryear.

Decommissioned experimental solar facilities that pioneered solar energy technology.

Mysterious 500-year-old tapestries depict a unicorn hunt.

The highest point on the island known for buildings that touch the sky.

Hordes of precariously balanced stone figures crowd the shores of the Hudson River.

A controversial magical figure is hidden within a diorama of the city.

This abandoned caretaker's apartment is one of 13 left in the New York Public Library system.