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

Trash escaped from a landfill to fill beaches with all kinds of treasure.

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

This former Masonic hall has been turned into an art project that uses even more metaphysical iconography.

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

Stolen goods adorn the organ at Old North Church.

One woman’s obsession gave birth to this lovely oddity at the Boston Public Library.

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

One of the last remaining movie theatres in the country that features a rear-projection system.

The thousands of shades on display — some toxic, others impossibly rare — are a library of more than just color.

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

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

The former home of a Boston physician whose murder led to a revolution in forensic science.

Dim sum, served in a grand old theater.

An anonymous art project beneath Longfellow Bridge where hundreds of trophies line the steel support beams.

The headquarters of one of the world’s longest-running humor magazines bears a noticeable resemblance to a head wearing a Prussian helmet.

Painstakingly built dioramas sit unnoticed in a Boston office building.

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

Beautiful steampunk ghosts of early Massachusetts.

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

Harry Houdini plunged into the Charles River and performed one of his escape acts here in 1908.

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

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

This Dutch-styled residential building was originally a cocoa company's World's Fair showpiece.