This elaborate High Victorian Gothic structure is one of the world's few 16-sided buildings.

One of the oldest carousels in the United States is still running in the coastal village of Watch Hill.

Try not to get slimed in Tribeca.

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

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

19th-century operating theatre in which the use of ether was first demonstrated - plus, a skeleton and a mummy!

A luxury hotel constructed out of a former jail.

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

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

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

A monolithic monument in Greater London.

Art Deco and “Wrenaissance” mash-up, this recently restored royal residence has been home to kings and comes with secret monkey passages included.

A medieval quay that was the Mayflower's final port of call before sailing for America.

Perhaps the only prehistoric monument with its very own public bus stop.

A island reachable by a causeway at low tide is possibly one of the earliest Western European locations to be identified in text.

A memorial to honor those who were killed in a Bastille Day terror attack in Nice.

This saucy statue once caused outrage among locals.

Immortalized in bronze, this frazzled student will be glued to his screen for centuries.

The only remaining historic maritime signal station in the United States.

This beachside town is home to a diverse nature reserve, multiple cays, and one of the three bioluminescent bays in Puerto Rico.

A less famous, short-lived meeting spot of the Inklings.

Used as an example in one of the first dictionary entries for "museum" in 1706.

Once one of the largest rooms full of books in the world, this bookstore basement is still a treat for bibliophiles.

The spot where three Protestant clergymen were burned at the stake during the reign of "Bloody Mary."