Nigel Marven explores the stunningly beautiful country of Guatemala, uncovering a wealth of wildlife, dramatic scenery and ancient Maya history along the way. Join him to see the world's most beautiful lake, Central America's most colourful pitviper and incredible views from the 'top of the Maya world'. There are Quetzals, jays and orchids in the cloud forests and venomous lizards in the arid interior. Crocodiles keep watch in the rivers and rare turtles surprise our host.