Millions of numbers carved in glass represent the tattoos forced upon victims.

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

An interesting decoration on this historic site, this weathervane comes with as many legends as it does questions.

The remnants of a Gilded Age elegance preserved in the middle of a stark modern tower.

Dedicated to one of the darkest moments in Irish history, this memorial has faced its fair share of backlash.

This statue intended for children to enjoy became a minor political spat.

This headstone marks the grave of an 11-year-old boy killed during clashes in the streets over the boycotting of British goods.

Macabre headstones carved with winged skulls, dancing skeletons, and pithy reminders of impending death.

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

A men’s restroom became a sandwich shop.

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

The former site of an all-but-forgotten colonial landmark is now remembered by an often overlooked bas relief.

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

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

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

Whimsical cookie-themed plaques mark the birthplace of the Fig Newton.

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

This plaque commemorates the call between Alexander Graham Bell and Thomas A. Watson.

A Harvard-area eatery preserves the uncovered tiles of its century-old predecessor.

This plaque is dedicated to one-half of the Magliozzi brothers and their hit radio show, 'Car Talk.'

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

Memorial to a beloved puppeteer as well as all street performers.

One man's psychedelic fence is painted with his cacophonous folk art musings on the world.

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