Oldest church in the United States that is still in continuous use.

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

Historic Hull Street was actually the first street with a proper name in the Boston area.

This landmark cemetery in Boston was created more than 300 years ago.

The site of Paul Revere's historic two lantern warning.

Berthed at the Charlestown Navy Yard in Boston, "Old Ironsides" is the oldest commissioned warship still afloat.

There’s a secret bunker inside the Brooklyn Bridge, but the city won’t say where.

The New York hotel where tragic visionary Nikola Tesla spent his final hours, destitute and alone but for the pigeons.

New York's oldest and possibly grandest keeper of books.

This mosaic dedicated to John Lennon was tended for years by a Beatles super-fan.

A three-story copper skybridge connects two Manhattan buildings with Art Deco luxury.

A pedestrian island in the middle of world-famous Times Square emits a strange (and purposeful) humming noise.

Elevated freight railway turned wildly successful urban park.

New England's "Witches of Eastwick" locations, in all of their quaint white churched glory.

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

The world's largest piece of copyrighted artwork.

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

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

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

No one messes with the Massachusetts sacred cod, not this time...

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.

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

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