Richard visits Peruvian eco-tourism pioneers, the Incan Valley of the Kings, Skylodge Adventure Suites and lofty Machu Picchu.

In Thailand, ancient Siam meets privacy and `intelligent luxury' at Soneva Kiri, an award-winning luxury resort located on Koh Kood, the country's fourth largest island.

Richard visits media mogul Ted Turner's 600,000-acre Vermejo Park Ranch in New Mexico, dedicated to conservation and reintroducing a number of endangered species; Richard also explores historic sites along the Sante Fe Trail.

Richard journeys deep into Chile's Patagonian rainforest and the Huilo Huilo Biological Reserve, where he visits hotels that look like either a mushroom or a fairytale kingdom.

Richard returns home to Scotland to explore remote islands, help harvest kelp for an acclaimed gin, visit ruins and learn the history of Harris Tweed.

Richard visits the Angama Mara Safari Lodge in Kenya, suspended high above the floor of Africa's Great Rift Valley.