Tilt Brush by Google - Paint in 3D space! Great for an initial exploration of virtual reality.
Sky VR: Hold the World - "Sky’s virtual reality experience, Hold the World, offers the unique opportunity of a one-on-one audience with Sir David Attenborough. The ground-breaking interactive experience transports you from the comfort of your home to London’s Natural History Museum, where you can get your hands on rare specimens from its world-famous collection as you go behind the scenes to explore areas usually closed to the public. "
Where Thoughts Go - "Discover the dreams, fears and secrets of others—and leave your own for others to find. In this award-winning social experience, human thoughts exist as sleeping creatures that can be awakened to reveal voice-recorded stories of other participants who were here before you. These anonymous stories are revealing and inspiring, encouraging introspection. To progress, you must leave your own stories behind for others to uncover."