There must be a pun in this haystack somewhere...

This study room in the New York Public Library saw the creation of one of contemporary America's greatest traitors.

One of the last few places in Manhattan that employed a pneumatic systemic keeps it on display.

Supremely flaky treats await at Amadou Ly’s boulangerie and patisserie.

A dilapidated dock tells the story of Titanic's missed arrival.

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.

Built as a gift to the hottest tastemaker of the time, these hidden quarters remain an Art Deco showpiece.

A Maryland museum dedicated to Black history, housed in a historic church.

Public opinion is still divided on this enormous sculpture in front of Baltimore's Penn Station.

The collection is exhibited in a Staten Island building modeled on traditional Himalayan architecture.

Once forgotten, this strip of sand was a rare beachside haven for Black Americans in Atlantic City.

Memorial built in 1922 in remembrance of WWI casualties.

Step inside Lucy, the world's largest "elephant."

Amazingly, this old machine within the Resorts Casino still functions.

This hidden stone has absorbed decades of human anxiety.

Mai Tais and Navy Grog served up in one of the original tiki bars.

After being inoperative for over half a century, this elaborate fountain in Atlanta's oldest park was restored to its former glory.

A remnant from the golden age of aviation still in use today, Pan Am's Clipper service took off from this Art Deco gem.

A hidden architectural treasure in New York's Brooklyn.

Discover the taste of mold.

A Jewish deli run by Yemeni Muslims in an Afro-Caribbean neighborhood is quintessential Brooklyn.

The most radioactive spot in New York City can also fix your muffler.

A burial ground of rusting metal grave markers.