If you're looking for synonyms for the phrase "mind-blowing gallery," there are plenty of options to choose from. You could replace "mind-blowing" with words like breathtaking, awe-inspiring, stunning, or sensational, all of which convey a sense of awe and wonder. For "gallery," you might opt for words like museum, exhibit, collection, or display. No matter which words you choose, the overall effect of the phrase should convey a sense of amazement and wonder at the sights and experiences you'll encounter within the space. So whether you're describing a museum, art gallery, or any other kind of collection, the right words can make all the difference in conveying the true impact of the experience.