I'm in DC this week for a work related event and when I travel I like to check out local yoga studios or venues and drop in for a class or two. It's a great way to experience other teacher's methods and have access to a wider range of techniques and styles. Next time you're on vacation or traveling for work see if you can add a class to your trip -- it's a wonderful way to enhance your exploration of a new city or town. One of the easiest ways to find good solid teachers and classes is to visit the Yoga Alliance website where you can search for registered teachers by city or state.
Remember to listen to your body when traveling by taking classes that are both appealing and at a level that's comfortable for you. If you've only been doing yoga for a little while, be careful about taking an advanced class or even an intermediate. Terminology varies wildly -- a gentle class at one studio might be considered intermediate at another depending on the environment and style of yoga taught. Any yoga studio or teacher should be very happy to answer questions about the difficulty of the class -- so call ahead and ask if you have concerns!