Trips of a Lifetime Slideshow

Vietnam River Cruise, courtesy Avalon Waterways

Vietnam River Cruise, courtesy Avalon Waterways

Tour of New Zealand, courtesy Collette

Queenstown Harbor, courtesy Collette

Antartica tour, courtesy G Adventures

Crab visible on a tour of Ecuador, courtesy G Adventures

Iceland tour, courtesy Go Ahead Tours

Reykjavik on an Iceland tour, courtesy Go Ahead Tours

Cheetah visible on a safari during a Kenya tour, courtesy Trips, Inc.

Giraffes seen on a safari during a Kenya tour, courtesy Trips, Inc.