YOU SAID:
I will never visit that museum for i am just astonished by the state of the pieces.
INTO JAPANESE
私はその美術館を訪れることは決してないでしょう。
BACK INTO ENGLISH
I will never visit the museum.
INTO JAPANESE
私はその博物館を訪れることは決してないだろう。
BACK INTO ENGLISH
I will never visit the museum.
That didn't even make that much sense in English.