Okay look, out of all the places I have travelled so far I still put Disney as the #1 place. There is a feeling I get from that place that is peerless. I am never more disapointed at flying home from somewhere than when I leave WDW. I do enjoy the all inclusive vacations where you just relax on the beach in Cuba, or Jamaica or Dominican and while I miss those places I also am ready to go back home for North American food. I get a feeling at those places, but its more just a relaxing feeling than anything.
But I certainly am able to appreciate other places that give you that depression when you leave them. In other words when you are there you feel you are in an "it" place. Here are examples for me:
New York City - Most notably Manhattan. I went for the first time in November 2011. My wife had been there and she knew what to expect. I thought I did but man was that place amazing. I kept thinking about the Frank Sinatra song "New York, New York" or Jay-Z's "Empire State of Mind" song. I officially "got" the reason why people sing about this city. The Empire State Building was so beautiful and New York was breathtaking from that viewpoint. Ground zero, Central Park, Times Square, NBC Studios, the Seinfeld "Soup Nazi" restaurant, Little Italy, Chinatown, were among the highlights. Seeing a rehearsal for Late Night with Jimmy Fallon was incredible. He tested out some jokes on us and he literally used those same jokes that night. I know because we watched it at our hotel. The sheer size of Manhattan was overwhelming. When we drove home I said to my wife that New York is the best city in the world. I understood the feeling from it.