One of nature's most well-scheduled phenomenons resides in Wyoming's Yellowstone National Park.

This statue commemorates the meeting of the most influential minds of the women’s rights movement.

Pluto is still considered a planet in Ithaca, New York.

A dark patch of the ceiling at Grand Central Terminal which was not restored is still stained brown by tobacco.

The home, museum, and death site of Kodak's influential founder.

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

The library of every book lover's dreams.

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.

The "Seinfeld" diner.

In upstate New York, gorgeous waterfalls and a watermill are slowly being reclaimed by nature.

This mosaic dedicated to John Lennon was tended for years by a Beatles super-fan.

A pedestrian island in the middle of world-famous Times Square emits a strange (and purposeful) humming noise.

Elevated freight railway turned wildly successful urban park.

A toweringly silly piece of modern art has been delighting locals since the 1980s.

An ever-evolving wall of graffiti art off East Liberty Street.

The only structure left with direct ties to the Salem witchcraft trials of 1692.

Home to the deepest rift anywhere on Earth.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

A peculiar mansion built by the troubled heir to the Winchester Rifle Company fortune.

A public fountain that spouts "health water" from a nearby spring.

Shakespeare has been brought to life in this open air theater for the better part of a century.

This sandstone mansion was the home of two of Oregon's most important pioneers.

Tens of thousands of tiny birds swarm into one school chimney every fall.

Portlandia is the second-largest copper repoussé statue in the United States.