When you travel to Europe, consider visiting a few countries in one trip. Just pick a starting point anywhere on the continent. It is small enough that getting from one country to another can be as easy as getting from Manhattan to the Hamptons.
Take the Plane to the Train in Europe
Frequent flyer miles can be used for a number of things besides flying. You can book hotels, car rentals, and even train travel if you have the right mileage currency. Rail travel can be especially useful to navigate Europe once you get there on miles. European cities and towns are so close to one another that the state-of-the-art rail network there gives airlines a run for their money with its speed and efficiency.