Carnival Cruise Lines is adding 20 shore excursions in time for its Alaskan season aboard the 2,124-passenger Carnival Spirit. New activities include zip line canopy tours, SUV excursions and a train ride on a vintage parlor car. In total, there are 120 different Alaskan excursions passengers can choose from on the line's seven-day Glacier Route and Glacier Bay voyages, which run between May and September. Visit [www.carnival.com].
