Prepare to be amazed. There are lots of interesting things to explore on these sites.
https://blueplanetvr.com/
https://www.nytimes.com/interactive/2015/01/09/sports/the-dawn-wall-el-capitan.html
http://www.xrez.com/yose_proj/YEP_ortho/YEP_ortho_SLtiles.htm
https://blueplanetvr.com/2010/01/12/yosemite-extreme-panoramic-imaging-project/
https://vimeo.com/351511605