The only structure left with direct ties to the Salem witchcraft trials of 1692.

Harry Houdini plunged into the Charles River and performed one of his escape acts here in 1908.

A stone marker commemorating the first time sound was transmitted over wires.

In 1958, an MIT fraternity pledge laid down on this bridge and instituted a new, unique unit of measurement.

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

An easy-to-miss garden in Boston's North End honors the mother of JFK and others who lost children in WWII.

This monument on Breed's Hill proves that one of the most famous battles of the Revolutionary War is misnamed.

These whimsical works of art tell the story of the city's past and present.

Narrowest house in Boston.

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

One of the last remaining World War II Victory Gardens in the U.S. is quietly growing across from Fenway Park.

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.

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

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

The stone sculpture of an Ottoman soldier is an homage to a lost Providence landmark.

Rhode Island's tallest building bears a resemblance to the "Daily Planet" building and has been empty for more than five years.

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

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

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.

This historic patch of real estate offers a glimpse of colonial Boston.

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

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