http://h2zkj5xeycxb2esnyqeabuuo6ui6jlkdb72qjfi2hu3y3h5ilpmjphid.onion/wiki/Fun/index.html
Don't miss the 'landform' sculpture by Charles Jencks in front of the gallery. The café in the basement and garden is worth a visit. Take the free bus from the National Gallery, or Lothian bus 13. You can also reach the gallery from the riverside walk along the Water of Leith.