The Best Shore Excursions -- Historic Walking Tour (4 hr., $32-$35): Visit Old Town, including Toompea Castle, the Russian Orthodox Church of Alexander Nevsky, the Holy Ghost Church, the Gothic Town Hall, and the partly ruined historic Dominican Monastery, where you'll hear a concert of medieval music before a final walk. Time is allowed for shopping in shops and from local vendors.

Note: This information was accurate when it was published, but can change without notice. Please be sure to confirm all rates and details directly with the companies in question before planning your trip.