You are about to enter a Virtual Reality Modeling Language world.
In order to proceed further and see real wonders and monsters you need a special piece of software equipment called a VRML browser. A quickly and easily installed plugin that may be found there :
Download (for instance) Cortona VRML Browser
Before you start using the Cortona VRML Browser, please keep in mind that navigating a VRML world may virtually be as dangerous as navigating the real world. - Yes ! Such is the power of today's Virtual Reality technology... ;-)Yet, however desperate your situation may look, be sure that God will forgive you and all your dirty sins, provided you press the right mouse button and fiercely fight your way out of the nightmare. Occasionally, you may also find relevant to take into account the following Survival Instructions , would they happen to stick to your mind and fit your needs.
To learn even more and enjoy a long life, please check Cortona VRML Browser User's Guide