Parkside Avenue Subway Station

When the Brighton Line was rebuilt between 1918 and 1920, Parkside Avenue emerged as one of Brooklyn’s great subway chimeras, a station that can’t decide whether it wants to be underground or not. Two-thirds of its platforms tunnel beneath cross streets and buildings, complete with gold-serif mosaics set in diamond frames, classic BMT craftsmanship pressed into tile by hands that built an entire city’s nervous system. Then, like a creature surfacing for air, the northern third breaks into an open cut, where concrete canopies replace tunnel ceilings and natural light floods the platforms.

The station opened in 1919, when Lefferts Gardens was still transitioning from farmland to rowhouses, and for over a century it has stood sentinel at that transformation. Today, most commuters rush through without a second glance. But pause at the right angle and Parkside Avenue reveals itself as a small museum of early 20th-century subway engineering, a forgotten gem whose design choices (the lettering, the diamond surrounds, the deliberate shift from enclosure to open sky) remind you that someone once believed a subway station could be more than infrastructure.