The appy wanderer: smartphone walking in our cities’ green spaces

Go Jauntly is a new walking app that uses photographs rather than maps to guide users on routes around woods and byways. We put it to the test in south London

Travels with locals: 10 of the world’s best tour guides

The best tour guides bring a destination to life with their passion, storytelling and wit. Guardian writers pick guides who love taking visitors beyond the obvious to shed new light on the places they call home