Michael Hodson, who traveled around the world in without flying, white water rafting in New Zealand. (Michael Hodson) In December 2008, lawyer Michael Hodsonquit his practice in Arkansas to set off on a quest to circle the globe the green way — without taking a single flight.After 16 months, six continents and 44 countries, he succeeded on his quest, and has not stopped traveling since. For Hodson,circling the globe without flying represented a big travel challenge that also highlighted environmentally...

Ellora Caves, India Tourists look at a large Hindu stone structure at the Ellora Caves in the western Indian state of Maharashtra on November 16, 2012. The 34 Ellora caves are structures excavated out of the vertical face of the Charanandri hills. (Andrew Caballero-Reynolds/AFP/Getty Images) Sacred sites are known for their beauty, both in architecture and setting. Their construction is amazing proof of religious devotion — many are built on mountain tops and some hang off the side of a...

Though it may be isolated from most of the world, Borneo is hardly a small place. Geographically, it's the third largest island in the world and is divided between three countries: Indonesia, Brunei and Malaysia. Environmentally, it has one of the oldest rain forests in the world and hosts an enormous array of endemic species. And because it was an island apart from the world of much of its history, Borneo is rich with the cultural traditions of its indigenous...