Visit the Tikal ruins

Descend from cloud forest to jungle floor in Manú, the most biodiverse protected area on the planet

Maya city in the Chiapas jungle with the tomb of King Pakal, howler monkeys in the trees and morning mist on the temples.

Watch hundreds of macaws descend on riverside clay licks in Tambopata, one of the most biodiverse corners of the Amazon

Set eyes on Río Abiseo, the UNESCO park almost nobody may enter — cloud-forest ruins and a monkey back from the dead

Jungle safaris for one-horned rhinos and, with luck, a Bengal tiger.

Forest-savanna mix of mandrills and gorillas.

Primary rainforest of rare wildlife, UNESCO-listed.

Xi'an's buried army of clay warriors.