An annual extravaganza of Broadway theater memorabilia.

An unassuming secret door once led to a legendary watering hole.

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

A very classy 1920s-era bar right in Grand Central Station.

Rat sculptures try to infiltrate the Graybar Building in an architectural tribute to New York City's nautical history.

An extensive collection of fine art devoted to man's best friend.

Commemorating the spot where the famous scientist fed his pigeons.

A commemorative plaque hides a door that leads down to the New York Public Library's underground book bunker.

Hundreds of antique bank vault locks on display in New York City.

The smallest island in Manhattan is a manmade landfill dominated by a Buddhist peace arch.

This mysterious marker puzzles pedestrians and infuriates geographers.

Holding the most bodies of any cemetery in the United States.

An eerily abandoned stone tower is all that remains of a demolished dam on Cape Fear River.

Ruins of an American Civil War iron forge still survive today.

A folk art mecca famous among outsider art fans.

A retired tobacco farmer's pet project turned into a sturdy miniature city.

The ruins of a 19th-century mill are hidden along a greenway in a prominent Charlotte neighborhood.

The antique barns in Cameron are not painted with your grandfather's Mail Pouch Tobacco murals.

A curious blend of taxidermy, antique tools, creationism, and a purported antediluvian rock.

Divinely-inspired village houses 6,000 dolls, plus strange and lovely outsider art.

This handcrafted, old western-style town is filled with deserted cars, retired movie props, and other forms of Americana.

A mailbox that saved a nature reserve.

This town at the north edge of Myrtle Beach holds a wealth of Black history.

This tiny chapel next to a highway provides weary travelers a place to rest, pray, or maybe even get married.