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

This supermarket is suspended 25 feet above an interstate highway.

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

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

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

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

One of the now-less-hidden floral gems of the "Emerald Necklace."

A 17th-century Japanese bell brought back by U.S. sailors after WWII and later gifted as a symbol of peace.

Site of the first World Series

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

The world's largest piece of copyrighted artwork.

From bench to vandalism to art, this silly prank seat was funny enough to become permanent.

Try not to get slimed in Tribeca.

A tradition unlike any other, this marks the site of the annual Groundhog's Day tradition.

A centuries-old church stands as a testament to Boston's "father of architecture."

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