FWIW Google Earth VR on PC does let you walk around the 3D view and you can set your scale to be real-world. I'm assuming it's the same 3D reconstruction that you get on regular Google Maps / Google Earth.
It's definitely a must-try VR application.
It's definitely a must-try VR application.
Everyone I demoed the first Vive to loved it, even though the reconstruction is far from perfect.