Also this week: There's a kid-friendly gladiator challenge in Lake Geneva, a new high-tech navigation belt, and delicious, ugly food from around the world. Read more
Also this week, Grand Rapids holds its ArtPrize competition, hotel booking apps get better, and Peninsula Chicago hosts the Mid-Autumn Festival. Read more
More this week: Chicago airports' free Wi-Fi expands, travel experts still rule, you can learn to survive in the wild, and the TSA has some fashion tips for travel. Read more
