Corkscrew Follies

Bubble's RCT
Offers tracks, patches, and trainers.
http://www.geocities.com/bubble69420/WILD_RCT.html

Macrado's Rollercoaster Tycoon Website
Offers tracks, trainer, screenshots, and links.
http://www.angelfire.com/games/rct/index.html

RCT Help Page
Has screen shots, scenario tips, and tracks.
http://home.twcny.rr.com/rollercoaster/

RCT Land
Offers cheats, parks, tracks, tips, records, FAQs, scenarios, and a guest book.
http://www.angelfire.com/mi2/rct/index.html