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

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

This impressive Boston holy house is the American mecca for Christian scientists.

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

A steampunk wonderland that preserves America's history of industrial innovation.

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

A comic book store got the road by its shop officially renamed after Superman's girlfriend.

The 1920s child prodigy author was last seen here at her Brookline home before vanishing at age 25.

This supermarket is suspended 25 feet above an interstate highway.

The oldest playground in America.

The world's largest piece of copyrighted artwork.

Radical Bookstore and Community Space.

One man is on a singular quest to name an island after a famous hip-hop artist.

On a side street near the interstate is the building where the famous anarchist once owned an ice cream parlor.

From economic backbone of a community to deadly diving hole, these former stone quarries are now a park for rock climbers and graffiti artists.

Enjoy an overnight at an old haunted B&B site of the Borden family murders.

A 19th century library favored by Edgar Allan Poe and H.P. Lovecraft, known by locals as "the Ath."

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

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

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

This is the house that spite built.

An alley way dedicated to graffiti and street art is a constantly changing street gallery.

This cemetery served as the only official burial grounds in Cambridge for nearly 200 years.

The statue of John Harvard isn't actually John Harvard—or even, technically, the founder of the school.