Stop on this walk
Mars
Library Way at Park Avenue
📍 You'd struggle to spot Mars here if you dropped it on the ground. This corner also happens to be one of the classic photo angles on Grand Central's façade — worth a moment before moving on.
At true scale: 0.15 in (3.7 mm) across
About this place
425 feet out and 0.15 inches across. Earth is one block back the way you came — the last time on this walk that two planets are a few steps apart.
Next stop →
The next leg runs through the asteroid belt and is properly long: back toward Grand Central, left before the crossing, then west until the New York Public Library.
See the whole route →