How to find and train the ultimate outdoor companion—because you want so much more than just another pet

If you're in a boat on the Atlantic this summer and a dolphin with "56" branded on his dorsal fin swims up and starts doing tricks...well, just sit back and enjoy. You're about to witness the greatest show on surf.

Would you pay a fortune for Lawrence of Arabia's compass? Then don't plan on raising a paddle at Christie's fabled auction of exploration collectibles, where old is gold and adventure carries a heavy price.