Straddling the two Poles and encompassing myriad landscapes and cultures, The Americas offer an almost tireless treasure trove of experiences for travellers, from the remains of ancient civilizations in South America to the gleaming cities of the US, peppered amongst ever-changing landscapes which define majesty.
Whether it's the wildlife, scenery, or people you remember most, Africa is out on its own for sheer scale, variety and dramatic impact. It's an extraordinary place that will entice you back again and again, from the elegance and charm of Cape Town to the primal attractions of the Serengeti and the impossibly-perfect beaches lapped by the Indian Ocean.
How can you begin to sum up Asia? Mysterious, majestic, surprising, spiritual, energetic, enticing it's all those and more. A trip here is a true voyage of discovery, not least because its cultures and history have been hidden to Western eyes for too long, and with so much to explore, you'll be back time and again.