They look completely out of this world.” It is, however, another endemic tree, the dragon’s blood, that’s come to symbolize Socotra, its distinctive shape even depicted on Yemen’s 20-rial ...

The authors say it’s still possible to see the trees on the Yemeni island of Socotra, but you’d need to catch a flight from Abu Dhabi, and most people join a camping tour arranged from overseas.

From fiery red beaches in China to alien-like landscapes in Yemen, discover five of the world's strangest and most ...