You've no doubt heard of Manhattanhenge -- when the sunset lines up with Manhattan's grid twice a year, a la Stonehenge.
But it turns out there's also a Greenpointhenge. And a Park Slopehenge.
Since tonight's Manhattanhenge will likely be blocked by clouds, you can look forward to Bed-Stuyhenge on October 10.
Play with the blue slider below to find your neighborhood's 'henge date: