By Judy Colbert It’s been a century since the Bambino dominated our national pastime. Even casual fans can recite many of the details of Babe Ruth’s career, from the 22 years playing the sport from 1914 through 1935 to his 714 home runs, his 2,213 RBI and all the rest. There are, though, still some secrets at the Babe Ruth Birthplace and Museum, just a few blocks from Oriole Park at Camden Yards. For example: You can get married — or celebrate other rites of passage — there. “It’s not a great place for a first wedding,” says Shawn Herne, the museum’s executive director. “They’re usually so big…