Simmer (formerly Foodie) - Yelp, but for every dish on the menu
Detour - Immersive audio walks, now in 17 cities
Spoon University - Food network for next generation.
Tales & Tours - The personal tour guide that fits in your pocket
NYT Cooking - iPhone app with 17,000 free recipes from The New York Times
Scenehunt - Search, share and explore Film and TV shooting locations