Near the king's castle lay a dark, gloomy forest.

在国王的城堡附近有一片幽暗的森林。

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When it was getting dark, he found himself before a strange castle.

夜幕降临时分，商人发现自己来到了一座古怪的城堡跟前。

youdao

Silver, who has a 15-picture guaranteed deal with Warner Bros through his genre production company, Dark Castle, quickly decided to create a martial arts film as a vehicle for Rain.

FORBES: The Movie Biz

So I don't think it was unusual for Bartok to pick a revisionist rendition of a dark and terror-filled fairy tale as the libretto for his first and only opera, Duke Bluebeard's Castle.

NPR: Breaking Through to Bartok