Funded by John D. Rockefeller, this is one of the earliest, and most beautiful, shopping arcades in America.

The early 20th-century home features cutting-edge technology of the day, such as ammonia refrigeration and needle showers.

On the Hudson resides one of the largest clocks in the world.

This Delaware River bridge is emblazoned with a catty slogan from a more prosperous time.

The mysterious canine hides atop a drain pipe on the back of the building, some say as a sneaky shoutout to Yale.

Nassau Hall has served as army barracks, a museum, and played a key role in the American Revolution.

The final resting place of many of New Jersey's most famous residents, including U.S. history's most in-vogue antagonist, Aaron Burr.

A unique sculpture park that specializes in the huge and bizarre.

What was once a true peninsula has now been filled in, causing the water to recede and leaving many streetside "waterfronts" and landlocked "islands."

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

No one messes with the Massachusetts sacred cod, not this time...

This replica of a historic fishing shack long dubbed the most painted building in America.

Location of the first public performance and singing of the "Battle Hymn of the Republic."

This historic sculpture from the 16th century is even older than the city of Boston.

This mosaic commemorates the oldest subway tunnel and station in the United States.

A dedication plaque on this Boston tunnel is a microcosm of a massive, controversy-laden construction project.

A rich collection honors the iconic American artist, down to the jacket worn in his “Freedom of Speech” painting.

The world's largest collection of historic U.S. military naval vessels.

Second largest wastewater treatment plant in the country.

A monument to the groundbreaking environmentalist sits near the place where she first experienced the sea.

The oldest philatelic museum in the United States.

Commemorating the 1948 creation of the Jimmy Fund, a Boston-based cancer charity.

A massive rotating globe sits at the center of Babson Park.

A gift to the children of Boston, this bronze bear represents playfulness, a spirit of love, and the warmth of big hugs.