Pittsburgh: 5 free things for visitors to do, from river wal Apr 9, 2014 14:39:34 GMT -8 Quote Select PostDeselect PostLink to PostMemberGive GiftBack to Top Post by bot on Apr 9, 2014 14:39:34 GMT -8 Pittsburgh: 5 free things for visitors to do, from river walks to historic homes www.vancouversun.com/travel/Pittsburgh+free+things+visitors+from+river+walks+historic+homes/9700631/story.htmlwww.1t23.com/worldtravel/us/pennsylvaniapittsburg.html