The phrase "last frontier" refers to a place or area that is still largely unexplored or unconquered by humans. It symbolizes the final unknown territory where adventure and discovery can still take place. Full definition
Upon arrival, follow these tips to ensure you document the landscape to its full potential, as you never know when you'll find yourself in the world's last frontier again. (tripsavvy.com)
Furthermore Fronteering is very much looking forward to start volunteer abroad projects and expeditions in some of the true last frontiers of Africa, Gabon Africa's last Eden and the adventurous Congo Basin for the ultimate frontier experience! (fronteering.com)
Explore the world's last frontiers on a Global Gypsies tour — independent but not alone! (wikiaustralia.com)