Massachusetts Ave runs between Harvard Square and the MIT Student Union Building.  Follow Massachusetts Ave to Trowbridge Street.  Crate & Barrel is at the corner of Trowbridge and Mass Ave.  Go 2 blocks to Broadway and turn right.  It's about a 5-7 minute walk from Harvard Sq.  If you are coming from MIT, it's about a 25 minute walk.  There is a bus that goes on Mass Ave between Harvard and MIT.  Get off at Ellery Street.

From Massachusetts Ave and Central Square, take Main Street about 1/2 mile to the corner of Main St at Ames St. There is a Legal Sea Food Restaurant at the corner. 

If you are driving, park on Memorial Drive near the Boat Club. There are tennis courts at the corner of Ames St and Memorial Drive.  The Media Lab is a white building with a large arch sculpture by its side.

The Media Lab is two blocks from the Kendall Sq. Marriott Hotel and Red Line T station.