Tanzania tops any wildlife-lover's bucket list. It is, after all, home to the world's highest concentration of national parks—14 of them in all. On the vast plains of the Serengeti, visitors can take in an annual wildebeest migration that stands as one of the world's most awe-inspiring natural spectacles.
At the Ngorongoro Crater, which boasts one of the densest populations of lions on earth, you'll have a chance to spot big cats, exotic birds, wild pachyderms, and more. Animals that you normally see cooped up in a zoo abound in this southeast African country, all in front of an equally breathtaking backdrop that looks as picturesque as a magazine.