Discover the hidden history, forgotten infrastructure, secret corners, and quiet architectural anomalies across the five boroughs.
In 1838, a formerly enslaved stevedore named James Weeks bought land in Brooklyn and founded Weeksville, one of the nation's first free Black communities. Its surviving Hunterfly Road houses are now preserved at the Weeksville Heritage Center.
The Smallpox Hospital on Roosevelt Island was the first major U.S. hospital dedicated to smallpox care, treating roughly 7,000 patients from 1856 to 1875. Designed by James Renwick Jr. in Gothic Revival style, the roofless granite shell is now New York City's only landmarked ruin — viewable from Southpoint Park and FDR Four Freedoms Park.
Guarding the harbor waters between Brooklyn and Lower Manhattan, this circular sandstone fortification later served as a military barracks and federal prison.
Before glowing billboards and theater marquees dominated Midtown, this junction was an unpaved carriage-trading district known as Longacre Square.
When Macy’s assembled parcels to build its colossal Herald Square flagship in 1901, one shrewd competitor bought the key corner parcel—creating a legendary architectural standoff.