Been to 3 in Seattle, Safeco a few times. San Fran, best park so far. Oakland , terrible, both in LA , and Petco which is very nice . Denver and AZ were OK , Both Miller Park which is very nice and the old County stadium in Milwalkee . the Dome in Minny many times and saw Maddux pitch in Wrigley and the jays win two at US Cellular, Terrible neighborhood. Rogers Center and Detroit who have a great park.
Like I said I have to go east but will suffice with a ST Lou, KC trip this year