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

A historic bridge with a lovely acoustic anomaly.

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

Beautiful steampunk ghosts of early Massachusetts.

The strikingly modern structure stands out among the brick buildings speckling the Harvard Business School's campus.

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

The massive machine creates cracking displays of indoor lightning.

Narrowest house in Boston.

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

A former waterfront market is now in the center of town due to some interesting Boston engineering.

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

A unique local art exhibit that has continued to grow since 1989.