SLURLS to navigate Second Life
From Sl Wiki
SLURLS are Second Life URLs - A means from outside Second Life of directing users to particular locations within the virtual world, or "location based linking within Second Life".
Full details of how a SLURL is used may be found at the slurl web site help pages
From outside Second Life, a SLURL looks just like a web site URL. Following the link, will bring up a SLURL web page, which contains the Second Life map, and a pointer to the desired location.
Clicking on the map location will launch Second Life (if it is not running already) and teleport your avatar to the desired location.
Here is an example of the SLURL for Virtual Hallucinations: