If an authentic tropical landscape figures big in your travel dreams, get yourself on down to the Galápagos, stat. Want to keep an eye out for native wildlife like sea lions, land iguanas, and giant tortoises? The Galápagos has ‘em by the dozen. Looking to recharge on beautiful white-sand beaches? There's plenty of those, too. Even better, you'll have the services of two naturalist guides to help provide an educational slant to this incredible experience.