Dover, in the county of Kent in southeast England, has understandably been one of the most important ports of entry to the country for centuries, given its location on the English Channel across from France. The famous White Cliffs of Dover greet you as you arrive, and the city has a number of historic sights, including a medieval castle. For many travelers, however, it is primarily a gateway to London. Few places can compete with England’s capital for sheer energy, atmosphere and variety. London’s vibrancy—in art, in music, in architecture—is formidable. It’s a city with not only multiple attractions, grand structures and great cultural institutions (though there are plenty of those) but also scenic parks, walkable villages and striking modern additions.Culinary pioneers are reviving traditional techniques and introducing menus that are at the forefront of the world’s premier restaurant experiences. Leg-powered sightseeing (by bike or on foot) around London maximizes opportunities for stumbling across secret alleys, courtyards housing quirky art galleries and tiny old pubs serving fresh British ales. Shoppers will want to check out the items at some of the retail emporiums known the world over as well as diminutive boutiques stocking unique souvenirs.