Why must I be this tall to ride?
![](https://i.ytimg.com/vi/b81gXvFLdrk/mqdefault.jpg)
23:35
The History of Launched Roller Coasters
![](https://i.ytimg.com/vi/z9FQVPwmDLc/mqdefault.jpg)
16:40
Theme park queues manipulate your sense of time, here's how
![](https://i.ytimg.com/vi/OIODTipPsQA/mqdefault.jpg)
34:58
The Coasters Wars - a battle to build the world's biggest roller coaster
![](https://i.ytimg.com/vi/Cv8BKHjwMgY/mqdefault.jpg)
18:07
Can Six Flags Great Adventure Save itself before it's too late?
![](https://i.ytimg.com/vi/Xi5Pg42BNp8/mqdefault.jpg)
19:35
The history of the flying coaster - the world's most complex roller coaster
![](https://i.ytimg.com/vi/kwx7RwP5d98/mqdefault.jpg)
12:32
Roller coasters are getting better, here's why
![](https://i.ytimg.com/vi/TWLQ55qiPi4/mqdefault.jpg)
24:51
Rocky Mountain Construction: Explained
![](https://i.ytimg.com/vi/9sIYuUkQr8s/mqdefault.jpg)
15:01