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

The world's largest mountain carving could fit all of Mount Rushmore inside it many times over.

This replica of the Greek structure is in the heart of Nashville.

One of nature's most well-scheduled phenomenons resides in Wyoming's Yellowstone National Park.

Home to the largest urban bat colony in North America, estimated at 1.5 million bats.

Wall Street has a new heroine, a bronze statue of a small but fierce girl.

The mysterious wonder of an underground waterfall is illuminated by multicolored lights.

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

In 1958, an MIT fraternity pledge laid down on this bridge and instituted a new, unique unit of measurement.

The last remaining 19th-century tenement from Boston's old West End neighborhood.

Millions of numbers carved in glass represent the tattoos forced upon victims.

Once a kitschy symbol for a gift shop, this 38-foot seahorse is now a staple roadside attraction.

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

This supermarket is suspended 25 feet above an interstate highway.

The world's largest piece of copyrighted artwork.

This lakeside tower is the third attempt at getting a tourist destination to stick on the spot.

Since 1947, this living history museum has been providing an immersive look at life in Plymouth Colony.

Each August, one of the largest religious (and food) celebrations in the country is held in Boston.

An interesting decoration on this historic site, this weathervane comes with as many legends as it does questions.

This delicate museum is devoted to the art and industry that once supported Cape Cod's oldest town.

The ceiling of this vintage movie palace is covered in fantastic Art Deco murals.

Artifacts of whaling, with both its perils and adventure, are housed in this museum in a former candle factory.

Civil War Fort on an island in the Boston Harbor.

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