We reccommend Port Aventura Spain. It's a marvellous place to be and have a nice day or days. There's hotels in offers and discounts. The most cool rollercoasters are Shambala, Furius baco and Dragon khan. For children also there is aquatic adventures or artificial terror such as the fire temple, "no one escapes from the fire temple". There is also childrens roller coasters such as estampida and tom and hawk. They also open a little park for little guyes called Sesamo aventura, contaning another rollercoaster.
These are the top 5 coasters in Portaventura!
The last one in the video is the tallest one in EUROPE!