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

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

At the "Garage Mahal" in Houston, car culture is about more than just driving.

This bridge was the birthplace of a unit of measurement based on a fraternity joke.

Narrowest house in Boston.

A school used as a model for public education across the country.

This parking garage was the site of what was - at the time - the largest cash robbery in history.

Stolen goods adorn the organ at Old North Church.

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

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

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

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

Located in Faneuil Hall, the headquarters of the Ancient and Honorable Artillery Company of Massachusetts has stood the test of time.

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

A men’s restroom became a sandwich shop.

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

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.

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

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

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

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

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

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