From London's Underground to Korea's DMZ; six tours that get below the surface
"Has anyone gone over the edge?" I ask our suspiciously calm guide, Bhupesh. "Not so far, but there's still hope," he replies, deadpan.
Nothing captures the imagination quite like an abandoned site. The search term "abandoned places near me" has soared since 2014 and there's even a name for it: "ruin porn".
Saudi Arabia isn't on the radar of many travellers, but has a very big tourism target: 100 million holidaymakers a year by 2030.
The highs and lows of a chilly quest to see Patagonia's "ghost cats".
Surely it isn't cheating to ride an electric bike just this once.
It's all thanks to a little architectural sleight of hand by one of Japan's rock-star architects, Shigeru Ban.
Head south of the border for Baja California's adrenalin pumping fun.
It's not as well known as Brazil's other big natural drawcard, the Amazon, but it's just as impressive.
You can buy 5000-square-metre plotson this island that Charles Darwin so much he wrote a book about it.
Polar bears and belugas up close offer an opportunity the amateur photographer does not want to waste.
An exploration of creative arts, nature and traditional life in Arnhem Land.