The first spinning jail built in the United States is the only one that still turns.

This presidential tomb was not dedicated until years after Harding's death due to personal controversy.

The largest university building in the West is a gothic masterpiece containing dozens of theme rooms based on different countries.

At Chicago's revered Field Museum, visitors are invited to learn about and literally explore DNA.

Home to a protest movement, a bombing, and a dramatic change in labor history.

Chicago's museum dedicated to the history of bondage and fetishism is more textbook than titillation.

Huge abstract sculptures of the Puerto Rican Flag.

A lush green oasis in the middle of Chicago.

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

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

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

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

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

Museum dedicated to awful artwork.

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

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

A morbid secret lies hidden within the beautiful walls of the Boston Athenaeum.

Perhaps the most scandalous statue of America's first president.

A daily replay of the experiment that proved the rotation of the Earth.

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

Three prestigious academic collections come together to create a world-class natural history museum.

Impossibly life-like natural history models created out of glass by a father and son.

A hollow cement depiction of time's inexorable effect on the human body.

Lovingly nick-named the "Brick Dick" this municipal tower was winner of the World's Most Phallic Building Contest.