As Adventureland celebrates its 50th anniversary, we're taking a look back at past rides from the Iowa amusement park. adventurelandresort has more than 90 rides and a waterpark. Most recently, the Underground, the world's only wooden underground roller coaster, returned this season with a new design. But not all rides can last forever. Here's a list of Adventureland rides you may have forgotten about. Tap the link in our bio for more on this story. #Altoona #Iowa #Adventureland