New Zealand: Watch Glow Worms Light Up an Aquatic Cave
Botswana and Namibia: Go on an African Safari by Houseboat
New York: Throw a Hudson River Hot Tub Party
Croatia: Visit a Wine Cellar Only Accessible By Boat
Egypt: Tour the Nile Like a Royal
Finland: Cruise Lake Saimaa on a Luxury Steamship
California: Paddle Through Giant Sea Caves
England: Get Pampered on a Floating Spa
Sweden: Join the Crew of a Working Icebreaker Ship