This bronze sculpture was inspired by a photograph of Martin Luther King Jr. and his wife embracing after he won the Nobel Peace Prize.

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

The Boston square dedicated to the dark poet who was born nearby.

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

A luxury hotel constructed out of a former jail.

Dedicated to a colonial woman who was hanged for being a Quaker.

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

Macabre headstones carved with winged skulls, dancing skeletons, and pithy reminders of impending death.

This cemetery served as the only official burial grounds in Cambridge for nearly 200 years.

The home of the founder of American landscape architecture puts his principles into practice.

This historic house was the birthplace and childhood home of the 35th president of the United States.

Marking the location of the secret headquarters for the Counterintelligence Corps in WWII.

This Dutch-styled residential building was originally a cocoa company's World's Fair showpiece.

The oldest playground in America.

A bronze statue of Mister Rogers in the neighborhood where he grew up.

A larger-than-life statue of America's favorite sundae marks the place it was invented.

This quarter-mile tunnel under the Bluff in Pittsburgh bends at a 45-degree angle.

Tucked into Pittsburgh’s North Side, the Mattress Factory is a labyrinth of permanent, room-sized installations where artists transform entire spaces into mind-bending, immersive worlds.

These eyes bring a smile to all who cruise past their watchful gaze.

The god of wine stares out at passersby on this busy Pittsburgh thoroughfare.

These disused steel furnaces are now haunting ruins that may one day be a national park.

The last funhouse of its kind, where guests enter through the mouth of an 80-year-old blue whale.

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

There are many ways to enjoy this old-growth forest and its views.