Viking Ocean Cruises: See 28 countries on the 138-day Viking World Cruise from Fort Lauderdale to London
Regent Seven Seas Cruises: You'll spend the days at sea enjoying the luxury ship's amenities, including the spa and several restaurants and lounges
Royal Caribbean: Travelers who don't want to commit to the entire cruise can book shorter segments
Silversea: Fares start at $66,000 for this 2024 sailing, which currently has waitlist availability
Seabourn: Climb aboard the Seabourn Sojourn for a 145-day world cruise from Los Angeles to Athens, visiting 72 ports in 28 countries
Oceania Cruises: Highlights include stops in stunning French Polynesia, Indonesia, Thailand, Egypt, Spain, France, and Iceland
MSC Cruises: The MSC Poesia will take guests to 56 destinations on this 120-day cruise starting in Rome
Princess Cruises: This round-trip cruise from Los Angeles on the Island Princess will visit 47 ports
Holland America Line: This cruise's itinerary includes a trip down the Amazon River, stops in the Caribbean, a Panama Canal crossing