A love for travel isn't all it takes to be a tour leader. Four professional guides offer you their expert advice on the ups and downs of the business, and how you can break into it.

The lowdown on studying, working and volunteering in the world's most geographically extreme environments.

Attention eco-conscious travellers! This special destination section scans the map for the planet's top biological hotspots. From historical landmarks to reefs and forests, here are 13 eco hotspots you need to see—and ways you can make your travels contribute to their conservation.

If you're one of those people who feels queasy on anything but roller skates, you'll want to read this.