The massive machine creates cracking displays of indoor lightning.

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

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.

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

Solar powered Spectacle Island features all-green facilities.

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

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

The Burnside Fountain and its questionable interpretation.

Civil War-era Fort designed to withstand invasion and attack, with tricky traps called "murder holes."

Civil War Fort on an island in the Boston Harbor.

A unique columnar residence built in the 19th century.

Eat first, shop later at this eatery within an Asian grocer.

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

Museum dedicated to awful artwork.