Four decades after it began as a penniless backpacker’s bible to traveling on the cheap, Lonely Planet is publishing what it says is the definitive guide to the world’s top tourism attractions. Angkor (Siem Reap, Cambodia) — Lonely Planet says Cambodia's stunning temple complex won the battle to top of its ultimate destination list "by a landslide.

Taj Mahal (Agra, India) — As burial places go, it's hard to beat India's Taj Mahal, comleted in 1643 by the Mughal emperor Shah Jahan in memory of his third wife, Mumtaz Mahal. Experience Guides For travelers that want to design a trip that feels unique, these guides uncover exciting new ways to explore iconic destinations. Marking the boundary between Argentina and Brazil, the Río Iguazú flows languidly through the jungle before plunging over a basalt ledge with such sudden, furious force that the planet's most awe-inspiring waterfalls are the result. The islands are famed, of course, as the place where Charles Darwin developed his ideas on evolution by natural selection. Nepal offers golden temples, charming hill villages, jungle wildlife watching, and the incredible walk around Nepal's Annapurna massif, which has long been considered one of the world's great treks.

Ecotourism is central to everything on the 17 islands of the Galápagos National Park - the airport is made from mostly recycled materials and runs on wind and solar power, and each municipality has a strict sustainability plan.

The temples are the perfect fusion of creative ambition and spiritual devotion, and a point of pilgrimage for all Cambodians. Sunlight shines through the spray, creating multiple rainbows as the falling water ricochets up off the river below.Lonely Planet says: Stretching more than 1,860 miles up the northeastern coast of Australia, it’s home to the world’s largest network of coral reefs and thousands of species of fish and marine life. My recent trip to India had many highlights, but the one experience that stands out from the rest was 2 hours spent with the people of Dharavi - the third largest slum in the world. The museum is the crowning achievement of Tasmanian David Walsh, a mathematician and art collector who made millions perfecting algorithms that let him to beat casinos.