The officials envision an indoor roller coaster that would take passengers on a simulated alien abduction.

City planner Zach Montgomery says the park would cost several hundred millions of dollars and could open as early as 2010.

Roswell has received a $245,000 legislative appropriation for initial planning.

Requests for proposals will be advertised next month, with the top three proposals will be considered later this summer.

The so-called Roswell Incident has brought Roswell worldwide fame.

It centers on a purported UFO crash in July 1947, which the military later contended was a top-secret weather balloon.

(Copyright 2007 by The Associated Press. All Rights Reserved.)