Going to take the wife there for about a week in two months. The hotel we're staying is next to the Subway 2 line from what I've read. A lot of things I want to do, obvious sites like Forbidden City, Summer Palace, Temple of Heaven, etc., seem to be within cab/subway distance but it sounds like the Great Wall is a good hour+ away. Anyone have any advice for this and anything else specific I should check out from their experience?