Can you tell what real gelato looks like? Photo by istolethetv.

Your weekly roundup of the hottest travel links across the net:

1. A trip to Italy would not be complete without a sampling of gelato (or two… or three), but did you know that 80% of the gelato in Rome is actually fake? Arm yourself with these tips on spotting real gelato so you can be assured of getting the authentic, naturally flavored stuff.

2. More than 800 million people around the world live in slums, yet they’re something few of us in developed countries ever see or experience, since they’re not exactly the type of thing holidaymakers seek out. If you’re wondering what life in these squalid settlements is like, take a look at this post by a travel blogger who spent time visiting a Kenyan slum.

3. Have you ever wondered which places in the world are the most “touristy”? One company has created a map of the world that’s color coded to show the volume of photo flashes in each city and country. It’s a unique way of looking at where people like to visit – or at least the places that present the most photo ops.