One of the fundamental decisions a writer needs to make is to choose the setting for their story or novel. I have travelled quite a bit, so this affords me a broad palette of possibilities when deciding where to set the story. Sometimes I write science fiction, so there's an additional element of time which can also contribute to the overall setting.
My first novel, Growing Up Single, is a coming-of-age story set in multiple locations. I ended up using several of the places I'd traveled to as settings, including New York City, Paris, the Riviera and Montreal. When writing a setting, I like to visualize in my mind's eye what I see and then include salient details in the description that I put in to words. My goal is to sketch in enough sensory detail so that the reader can imagine them being within in the scene. I'm visual by nature, but adding a sprinkling of description using the other senses can really flesh out a scene. Let's consider an example.
I love being on the water, but the ocean has a very different feel than being alongside a lake. If I'm writing about a walk on the beach by the seashore, the description would seem incomplete if no mention was made of the salt-infused air. One might also feel the squishing of sand between the toes and hear cries of a passing seagull on this same walk. As writers, we can include all of this sensory data in our descriptions, or weave in particular highlights and let the reader add in the rest.
I find that writing about particular locations is highly subjective. Paris is one of my favorite places, but when I listen to people talk about the city, inevitably they have found their own version of the city which has nuances that differ from my own experience. At the same time, when I read Hemingway's delightful memoir, A Moveable Feast, much of which was set in the Paris of the Twenties, the city he described was quite recognizable. One can still visit famous cafes by Montparnasse and other parts of Paris, and imagine that Hemingway is over in a corner scrawling notes for his next novel.
The next time you visit someplace new, imagine what it would be like to use this setting in a story. If you're a writer, you may be storing away the details or impressions of a location for potential use later on. As a reader, you can consider how you'd feel if the location you're visiting appeared in a story and how you would react to that. In stories, we tend to focus on the characters, but things can get a lot more interesting if they're in a location which helps push them into new realms of experience.