Chicago's Navy Pier on Lake Michigan was a training hub for aircraft carrier pilots during WWII.

The last masonry skyscraper ever built reveals a transitional moment in architectural history.

These chunky stone towers out in Lake Michigan are the key to Chicago’s drinking water.

Not to be confused with the iconic New York City skyscraper, this Chicago building is a vibrant hub for artists.

Illegal drag racing two stories beneath Chicago’s streets.

This urban drawbridge gained eternal pop culture fame when the Blues Brothers jumped it while it was raised.

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.

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

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

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

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

This massive tea kettle was once a promotional stunt for the Oriental Teashop.

A more than 260-year-old crypt built on Boston's oldest English burial ground.

The tomb of Increase Mather and his son Cotton, influential colonial ministers obsessed with the occult.

A men’s restroom became a sandwich shop.

This ambitious father and son team reigned supreme over the North End, and witches, for many years.

This nearly 200-year-old restaurant's history includes an exiled French prince, JFK, and a very hungry Daniel Webster.

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

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

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

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

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

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