Complex sentence: These coasters include Montaña Rusa, which held the the world's record for tallest roller coaster, as well as Montaña Infinitum, which was the first roller coaster in the world with three vertical loops.
Split into simpler sentences: These coasters include Montaña Rusa, which held the the world's record for tallest roller coaster. It also includes Montaña Infinitum, which was the first roller coaster in the world with three vertical loops.