Phantasmagoria
I rode "Phantasmagoia" countless times before the new owners tore Bell's Amusement Park in Tulsa, Oklahoma down in 2006* to make room for a desperately needed parking lot.**

It wasn't particularly scary, but it was a great place to make out: The ride also had a couple of roller coaster-like bumps and spooky effects that made it interesting but good God it was hot in there in the summer.
Bob Bell and his sons actually built this ride (and several others -- including many he sold to other amusement parks in the U.S. during the second half of the 20th century) and he and his wife were rumored to live, at least part-time, in an apartment beneath "Zingo" for many years (see below):
I watched them build this roller coaster while I worked in my first job as a 14-year-old busboy at a cafeteria down the street for 75 cents an hour. I was envious of the 16-year-old's who were employed as roller coaster monkeys in the construction (they couldn't do that now, of course -- child labor and all), but they did make a buck-fifty an hour.

Zingo was my favorite roller coaster of all time: I also remember Bob standing at the entrance to his park in 1965 with several of his assistants behind him, refusing admission to a Chinese delegation visiting Tulsa because they were "commies" (stupid, I know, despite his brilliance, huh?)***. All in all, everyone misses this park a lot and the citizens of Tulsa were ******.
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* Infinitives split at no extra cost
** Not -- it was a cabal of greedy bastards.
*** It was the Cold War and people were scared