A century ago, aspiring socialites climbed on this cement beast with the hopes of marrying a millionaire.

The first commercial nuclear power plant constructed on Long Island.

Quirky castle designed by the American actor best known for portraying Sherlock Holmes on stage.

An eccentric playboy's astounding natural history collection.

This graceful little figure is a one-of-a-kind version of the cherished character.

This outpost of America's most popular fast-food restaurant is housed inside a palatial mansion.

Spies, love letters, and ghost stories have all left their mark on this home-cum-museum.

Whale bones, scrimshaw, and sperm oil make up just a part of this comprehensive collection of whaling history.

A formerly abandoned mental institute, now back in business.

The site of a tragic massacre that spawned a multimedia franchise.

Beneath the mossy overgrowth covering this once-sprawling campus lies decades of history and the secrets that come with it.

The second-largest (of only two in the world) large particle collider is the underdog of experimental physics.