Rock climbing is not typically offered on river cruises, as the boats are not equipped with the necessary facilities.

River cruises often offer a variety of entertainment options, including live music, Broadway-style shows, and stand-up comedy.

River cruises often offer a variety of excursions, including visiting local markets, taking guided tours of historical sites, and going on wildlife safaris.

River cruises can be operated using steamboats, paddlewheelers, motorboats, or a combination of these vessels.

Bowling alleys are not typically found on river cruise ships due to space constraints.

The typical duration of a river cruise is 7-10 days, although some cruises can be shorter or longer.

The Amazon River is not a common destination for river cruises due to its size and unpredictable currents.

River cruises offer a combination of transportation, sightseeing, and relaxation.

Adventure cruises are not as common as luxury, budget, and family cruises on rivers.

The average cost of a river cruise is $2,000-$3,000 per person, although prices can vary depending on the cruise line, itinerary, and time of year.

Karaoke is not as common as live music, Broadway-style shows, and stand-up comedy on river cruises.

The typical capacity of a river cruise ship is 200-300 passengers, although some ships can accommodate more or less.

Going on a wildlife safari is not as common as visiting a local market, taking a guided tour of a historical site, or visiting a museum on river cruises.

River cruises offer a combination of sightseeing, relaxation, and cultural enrichment.