Considering how San Diego is one of the best cities in the United States, its really easy to tell how popular the city is for tourists. Among the many accomplishments behind San Diego, let's take a look at several facts behind this amazing city. Fact 1 Inside the city limits of San Diego, more than 1 million people live there. This makes the city the second largest in California and the sixth biggest in the entire United States! For the city to be this big, the residents still have that hometown experience - which is quite amazing! Fact 2 No matter what type of year it is, it's never the wrong time to visit. The weather is near perfect year round, giving you the chance to experience everything to offer here. With an annual high of 70 degrees and a low of 55 degrees, you can pretty much go swimming year round. Fact 3 If you visit between December - March, you can catch some glimpses of the impressive gray whale. All along the coast or on a cruise, you can catch this very amazing mammal. Fact 4 If you travel just 23 miles south, you'll be in the beautiful city of Tijuana. What was once thought of as dangerous, happens to be an amazing place of Mexican hospitality, with great restaurants, shopping, and a pleasing nightlife! Want more! Then get this handbook!