An abandoned dollhouse factory.

A living antique aviation museum in the historic town of Red Hook, New York.

This giant monument of the RCA mascot is a beloved fixture in Albany, New York.

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

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.

An artist's cute bronze subway sculptures belie his violent artistic past.

One of only two commuter aerial tramways in the United States.

Read a book next to a Midtown waterfall.

The feral felines of Roosevelt Island have a small army of allies and an abandoned hospital all to themselves.

Whisper secrets in a busy station only to be heard on the other side of this acoustic arch.

This impressive Boston holy house is the American mecca for Christian scientists.

The oldest lawn bowling club in the United States.

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

This monument on Breed's Hill proves that one of the most famous battles of the Revolutionary War is misnamed.

Berthed at the Charlestown Navy Yard in Boston, "Old Ironsides" is the oldest commissioned warship still afloat.

An enormous, inside-out glass globe built in 1935.

Not even a series of devastating fires could keep this odd castle in upstate New York from bouncing back.

New York's oldest magic store.

Elevated freight railway turned wildly successful urban park.

A crumbling hospital from the 1850s on Roosevelt Island.

A subterranean house of worship carved right out of the bedrock.

This dizzying tower was built to better broadcast the 1980 Moscow Olympics.

The gilded, masterful astronomical clock will calculate time, dates, and planetary positions for thousands of years to come.

The de facto symbol of Copenhagen is this bronze fairytale which cannot seem to keep its head for very long.