Layover: Rīga, Latvia

While not among my 18 official destinations on this trip, Rīga, Latvia, is ideally situated midway between city #17, Kaunas, Lithuania, and city #18, Tallinn, Estonia, breaking up what would otherwise be an interminable 9-10 hour bus trip into two manageable four-and-a-half hour chunks. And my rule with layover cities is that even in these