Vertical loop - Wikipedia

Roller coaster closes for repairs after crack seen in park-goer's video : NPR

11 Insane Roller Coasters in Asia for Hardcore Thrillseekers

Seeking thrills and staying safe on roller coasters

Morning 4: World's tallest, fastest triple-launch roller coaster debuting at Cedar Point next year -- and other news

10 quick roller coaster facts to celebrate national roller coaster day - ABC7 Chicago

Japan roller coaster shuts down following multiple serious injuries

This Walkable Roller Coaster May Be a Portal to Another World - Nerdist

8-year-old hit in face by cellphone on rollercoaster

Virginia Roller Coasters - Steel, Wooden

Dorney Park adding Iron Menace, a new rollercoaster