This futuristic airport terminal was abandoned for decades before reopening as a hotel—with a vintage plane of its own parked out back.

An annual extravaganza of Broadway theater memorabilia.

Cryptic messages embedded in the New York City sidewalk.

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

An uber-secure, windowless tower of doom in the center of Manhattan is an NSA spyscraper.

The original toys that inspired the beloved children's stories are on display at the New York Public Library.

This whimsical group of statues is a favorite of children who love to climb all over Lewis Carroll's beloved characters.

New York's oldest magic store.

For 20 years, this whale skeleton has been slowly dripping oil on the floor of the museum where it hangs.

Mrs. Mallard and her brood are a beloved fixture in Boston Public Garden.

Enjoy an overnight at an old haunted B&B site of the Borden family murders.

Beautiful Gothic-inspired lighthouse stands out among the run-of-the-mill striped fare on Bodies Island.

One of the best places to see feral Colonial Spanish Mustangs in the United States.

A local prank turned town icon.

This historic old movie house was the scene of one of the Blob's most iconic attacks.

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.

Mysterious rocks that ring musically when struck.

A daily replay of the experiment that proved the rotation of the Earth.

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

The taxidermied remains of Charles Dickens' pet raven, which helped inspire one of Edgar Allan Poe's most famous poems.

Yo, Adrian!

This strange, big-tailed beast became a Pennsylvania town's unofficial mascot.

This stone tower marks a lookout point over the historic Washington Crossing, and maybe some buried treasure.

A pride of the state, this working museum crafts pottery mosaics in the style of Pennsylvania's earliest European settlers.