Top Roller Coaster (wiki)
http://en.wikipedia.org/wiki/List_of_roller_coaster_rankings
Six Flags
http://www.sixflags.com/national/index.aspx
Kings Dominion
http://en.wikipedia.org/wiki/Kings_Dominion
추후 확인할 것...
1. Six Flags Amusement Park 지역 체크하고
캘린더로 운영날짜 확인할 것 (12월 기준...)
http://en.wikipedia.org/wiki/List_of_roller_coaster_rankings
Six Flags
http://www.sixflags.com/national/index.aspx
Kings Dominion
http://en.wikipedia.org/wiki/Kings_Dominion
추후 확인할 것...
1. Six Flags Amusement Park 지역 체크하고
캘린더로 운영날짜 확인할 것 (12월 기준...)