Earn rewards for referring your friends! We'd like to thank our loyal travelers for spreading the word. Share your friend's address so we can send a catalog, and if your friend takes a trip as a first-time Nat Hab traveler, you'll receive a $250 Nat Hab credit you can use toward a future trip or the purchase of Nat Hab gear. To refer a friend, just complete the form below or call us at 800-543-8917. It's that easy! See rules and fine print here.