MIT Building 26 Room 100

>From MIT's main entrance at 77 Massachusetts Avenue, enter and proceed all the way down the "Infinite Corridor." Turn left before reaching the door. Proceed and descend the stairs on your right, continuing left. Continue northward through corridor to reach 26-100.
>From the Kendall T stop (Red line), head one and a half blocks west (away from Boston and the Longfellow bridge) to Ames Street, turn left, and continue until just past the 30-60-90 triangle building (Building 66; 25 Ames St.). Turn right, walk past three buildings on your right (66, 56, then Enter building 16), At the far end of building 16, turn right and proceed.