All except the Apollo 14 landing site. While the lander & immediate area are locked off as historical sites, the rest of the surrounding territory has been converted into the Shepard Memorial Golf Course, the first PGA-approved (well, sort of; they slipped the documents in and got the signatures anyway) 18-hole course offworld. 
Mr. Fnord interdimensional man of mystery
FenWiki - Your One-Stop Shop for Fenspace Information
"I. Drink. Your. NERDRAGE!"

Mr. Fnord interdimensional man of mystery
FenWiki - Your One-Stop Shop for Fenspace Information
"I. Drink. Your. NERDRAGE!"