This historic address is home to the beloved ball and is an almost totally empty building among the most expensive real estate in the world.

Visit the monolithic tomb of America's most famous general.

Once the tallest building in the world and the site of "the highest dinner ever held in New York" this building now holds the most expensive penthouse in the city.

The remnants of two World's Fairs are here, complete with a 12-story globe, a mini-Manhattan, and a UFO-shaped pavilion.

Oldest existing church in New York and the inspiration for Washington Irving's "The Legend of Sleepy Hollow."

This small-town pizzeria won the Hollywood lottery.

Holding multiple historical boats and an entire 19th century village, this New England attraction is the largest maritime museum in the world.

A former copper mine which became a truly unsuccessful prison.

The Connecticut village named for its subterranean thunder.

The once abandoned ruins of a Victorian beachside amusement park are now back in working order.

A museum designed by and dedicated to P.T. Barnum in the town where he is buried.

The location of the pie company that gave a classic toy its name is now a parking lot.

This "thrice-cursed" island is allegedly home to Captain Kidd's lost treasure.

Panoramic views of the city of New Haven and the Long Island Sound, with a side of history.

Electrical pylon in the shape of Disney's beloved mouse.

The third tallest lighthouse in America once guided author Stephen Crane to safety.

An icon among Florida's pre-Disney tourist attractions.

In Florida, these naughty monkeys live on their own mini-monkey Alcatraz.

Meet manatees face-to-face at this zoo for native species.

In this case, 'zero' marks the spot where the iconic Old Spanish Trail ends.

A tribute to Ponce de Leon's supposed quest for eternal youth.

A haunted hill that supposedly defied gravity.

Welcome to old Florida, where a 1940s mermaid show is still enchanting visitors.

A mysterious castle built as a monument to lost love.