The national park was once a plantation estate.

A gorgeous mural outside a beloved D.C. restaurant pays homage to famous Black Americans.

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

Second largest wastewater treatment plant in the country.

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

A three-piece musical sculpture installed between the subway tracks at Kendall Station near MIT.

These three lighthouses played a fundamental role in the maritime life of Eastham.

The oldest platform carousel built in the United States continues to delight children in Martha’s Vineyard.

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

The world's largest piece of copyrighted artwork.

This nearly endless university hallway is home to a unique sunset known as "MIThenge."

Bouncing, delightful, mechanical art at the MIT Museum.

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

This small shop walked so America could run on Dunkin'.

This candy-colored storybook village originated as a 19th-century Methodist campground.

The filming location of a shark attack in Steven Spielberg's famous shark movie.

It was an experiment to prove that glacial boulders and rocks can be used in constructions and dwelling.

Statue in Salem of the woman who starred as the witch Samantha in the sitcom "Bewitched."

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.

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

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

An office built to look like a giant basket.

An unusual, super-sized grocery adventure awaits in an Ohio suburb.