This historic patch of real estate offers a glimpse of colonial Boston.

This small glass cube is a peaceful out-of-the-way sanctuary at the busy airport.

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

Tragedy on Little Brewster Island memorialized.

This area was once known for being a lawless haven for rough-and-tumble sailors, earning the maritime-themed nickname "the black sea."

Statue commemorating the use of ether in anesthesia.

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

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

Historic Hull Street was actually the first street with a proper name in the Boston area.

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

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

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

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

Radical Bookstore and Community Space.

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

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

A morbid secret lies hidden within the beautiful walls of the Boston Athenaeum.

Two thousand artifacts from around the world collected by one woman who loved to travel.

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

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

One philanthropist's extensive collection of knick-knacks and curiosities is now a public museum of oddity.

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

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

A mysterious stone embedded at the base of a historic Boston building.