Hidden in plain sight on a pair of Manhattan subway tunnels are a pair of public instruments that sing to each other.

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

This cemetery has graves dating back to the 17th century, including the city's oldest carved tombstone and an ominous cryptogram.

New York's oldest magic store.

This abandoned subway station beneath the Waldorf-Astoria hotel is allegedly used to secretly transport presidents.

An early-19th-century hotel with a past that is steeped in the Civil War.

Interactive modern and vintage submarine equipment, World War II relics, and submarine attire.

The author's beautiful and historic home is also a fully functioning goat farm.

Classy up your Big Mac with bow-tied servers and chandeliers at the world's fanciest McDonald's.

A 315-foot spire jutting out from the Blue Ridge Mountains makes for breathtaking views.

This historic sunny-yellow building has an unfortunate connection to the sinking of the Titanic.

The North Carolina grounds are leased in perpetuity to the British Commonwealth for as long as the WWII sailors are buried there.

Down the road from where the Wright brothers lifted off is another flight tribute practically hidden from sight in the woods.

A Nessie-like monster supposedly lurks in this lake.

This granite rock face is named for the magnificent reflection that occurs when the sun hits it just right.

This shifting North Carolina sand dune is an odd little desert surrounded by oceanic forest life.

Some North Carolina Cherokee have been keeping their history alive for decades with a single play.

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

A handful of beehive kilns are all that’s left of a historic brick-making empire.

This small memorial is almost as well concealed as Smalls himself was on the night he sailed to freedom.

This South Carolina water tower is an icon of the city of Walterboro, but it also once served as the county jail.

This bare tree might not have leaves but it is constantly clothed in festive decorations left by mysterious local benefactors.

The Lowcountry color with the power to stop evil from entering a home.

An old train trestle re-imagined as an Egyptian obelisk.