The Louvre's pre-Classical Greek section will reopen in late 2012. The new wing featuring Islamic art will open this summer.
The Picasso Museum will remain closed for renovation through at least the summer of 2013.
The top-floor Impressionist and Post-Impressionist collection has reopened.
The metro (subway)
Metro stations with ticket windows are being phased out and replaced by ticket machines. Remember that most U.S. credit cards don't work in these machines, so make sure that you have small bills (20 euros or less) and coins to use in the machines.