Meetup - Helps groups of people with shared interests plan events and facilitates off line group meetings in various localities around the world.
Google Street View Oceans - "Street view" on oceans around the world
Event Hunt - Startups and Tech Events Curated By Locals
Google NightWalk - An audio Streetview tour around Marseille
Eventbrite - Discover Great Events or Create Your Own & Sell Tickets
Google Street Discovery - Discover 9,000+ beautiful Google street view locations