Peru, South America - including Inca Trail and Macchu Picchu
South East Asia - The islands of Thailand in particular
East Coast of Australia, including the Great Barrier Reef
I would basically pick a 3 point or destination around the world. Say, I would choose Bali, Rio de Janeiro, and Greece or Italy.
Maldive, Tibet, Italy
rio de janeiro, sao paulo...brazil and cartagena,colombia