From grand castles to resplendent cathedrals, Tallinn’s Old Town neighborhood, a UNESCO World Heritage Site, is the perfect place to begin exploring. Enter through Viru Väravad, or Viru Gate, the former fortress whose remaining two towers beckon you into the heart of the city.

Glenfinnan, nestled in the Scottish Highlands, is a picturesque village renowned for its dramatic landscapes and historical significance. This small but enchanting destination is best known for the Glenfinnan Viaduct, an architectural marvel completed in 1901.

More than 300 days of sunshine annually (more than San Diego or Miami Beach) earns Denver high marks with visitors and make sunglasses a must. For the city's most energetic shopping, dining and entertainment spots, point your compass in the direction of Larimer Square, the Tivoli, LoDo and the 16th Street Mall.

Whether you are in D.C. on business or vacation, you'll find that it's a fascinating city that is full of history, art, theatre, and dramatic monuments.

Perth is pleasantly sited on the Swan and Canning rivers, with the cerulean Indian Ocean to the west and the ancient Darling Ranges to the east. It claims to be the sunniest state capital in Australia and the most isolated capital city in the world.