A historic 1890s architectural masterpiece with an iconic clock tower that, once open to the public, now faces an uncertain future.

Unlock the secrets of the conjuring arts.

This sculpture by artist Fritz Keonig survived the 9/11 attacks and now stands as a monument to the victims.

The oldest operating apothecary in the US has treated everyone from Thomas Edison to Mark Twain.

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