When you're a great Russian Tsar, even your vomit gets a statue.

Enjoy a slice while browsing the world's largest collection of pizza memorabilia.

New York City's only wildlife rehabilitation center treats more than 3,000 feathered and furry patients each year.

Outstanding taxidermy dioramas showcase the grandeur of the continent's wildlife with spooky realism.

Creating this diorama spurred naturalist Carl Akeley to begin advocating to protect the apes.

Here be dragons.

Once thought to be the fabled Holy Grail, it is now known to be an oil lamp.

A trail of iron footwear stands as a monument to the thousands executed along this riverbank during WWII.

Now abandoned, this East Austin school for the disabled began as the "State Colony for the Feeble-minded."

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

Possible relics of the ancient Roman city are hidden in this restaurant's façade.

Tour the dark and beloved poet's former cobwebbed basement, which may have inspired "The Black Cat."

A treasure trove of artifacts, books, and artwork from the "golden age" of exploration.

Sparkling, calcite-covered skeletons of children who may have been sacrificed to appease an angry god.

Explore the dark underground corridors of this graffiti-covered former military fortification.

The sounds of the world's largest fully functioning pipe organ dazzle shoppers at a Philadelphia Macy's.

An abandoned cemetery lies in ruins as the surrounding forest swallows it whole.

A grand New York post office that is home to mailman Santas, scraps of postal history, and a pneumatic mail system.

Hidden in an ordinary Midtown building is a one-room museum dedicated to the greatest escape artist.

Try not to get slimed in Tribeca.

A storefront museum in Asbury Park honoring the Jersey Shore’s deep history of mystery—including the Jersey Devil.

A World War II-era submarine is stuck in the mud in New Jersey.

A farm in New Jersey grew a most unusual crop for AT&T's testing purposes.

The highest point in New Jersey is marked by a massive, if simply named, obelisk.