Once the most painted on object in the world, this short campus fence is well on its way to being so again.

The headquarters of the Fraternitas Rosae Crucis, complete with Rosicrucian pyramids, all in the Pennsylvania woods.

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

The famous bell was secreted away and hidden in a church in Allentown during the British occupation of Philadelphia.

Whisper secrets in a busy station only to be heard on the other side of this acoustic arch.

A three-story copper skybridge connects two Manhattan buildings with Art Deco luxury.

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

A tiny museum housed in a New York freight elevator specializes in the "overlooked, dismissed, or ignored."

New York City's smallest piece of private property.