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

A store full of vintage and indie toys designed to bring out the kid in even the crustiest of adults.

The first American department store, and home to the largest operating musical instrument in the world.

Golden and naked, the figure that was once the highest point in New York is all that remains of the second Madison Square Garden.

A dramatic, 360-degree recreation of Pickett's Charge in the Civil War.

The oldest farmer's market in America is so ancient it was approved by the King of England.

Dedicated to the art and science of glass in equal measure, this space is as much laboratory as museum.

Largest Roman Catholic church in North America.

A heroic pigeon that, through a barrage of gunfire, delivered a message that saved over 100 lives in World War I.

At 207 feet, one of the world's longest continuous escalators.

A tiny piece of the Moon is embedded in this stained glass masterpiece.

The sci-fi villain is a little-known inhabitant of the U.S. capital's largest cathedral.

The site of the climactic scene from the classic horror film is now a historic landmark.

In which a local geological marvel becomes a quaint roadside attraction.

This palatial botanical garden is home to one of the largest pipe organs ever installed in a private residence, and a piece of Wood's cycad.

A museum dedicated to exhibiting remarkable outsider art.

Mural made of 100,000 pieces of hand blown glass, and until recently, the largest glass mural in the US.

Mysterious rocks that ring musically when struck.

Eccentric concrete mansion and museum designed and built by hand from the inside out.