The following sites have pictures and other information to help you plan and design your rollercoaster.
Design your own rollercoaster online.
The Physics of Rides lists several sites to visit for rollercoaster information.
The Physics in Amusement Parks can be studied at this site.
Roller Coaster Physics Resources is another good site.
Coasters roll on physics of fright gives a history of rollercoasters.
Explore the rollercoaster here.
Other Physics of Rollercoasters sites are listed here.
The Physics of Rollercoasters: Learning more than fear from those big rides.
ALPENGEIST (A German Rollercoaster)