If you are up for some sensational fun, "New York-New York" is your place, with a crazy roller coaster soaring through the lobby and out into open air.

sensational 是由名词 sensation（感觉、轰动）加上形容词后缀 -al 构成的形容词，意思是"引起轰动的、极好的"。sensation 本身来自动词 sense（感觉），所以 sensational 字面意思是"能引起强烈感觉的"，引申为"惊人的、极好的"。