Berlin has an undeniable history. The horrors of World War II, division, reunification, revolution all profoundly impacted the city in the 20th century. Today, visitors will find a sophisticated, high-energy city with endless cultural, architectural and gastronomic attractions.

A hundred and forty seven miles from Frankfurt, Bayreuth is an important town the the history of classical music. There's a museum in this town dedicated to the composer who made Bayreuth famous, Richard Wagner. Every year, from the end of July and throughout August, the Bayreuth Festival pays homage to Wagner by presenting various operas he created.

Boppard, the pearl of the Rhein, gets its nickname from the fact that it is situated on part of a horse-shoe ben in the Rhein, resembling a pearl in an oyster shell. This bend is one of the most severe anywhere on the Rhein, so much so that the town frontage faces due north while the vineyards, one the same band face due south. The bend is also known as the "bendiest bend on the Rhein."

Knoxville sits in the Great Valley of East Tennessee at the headwaters of the Tennessee River, with the Appalachian Mountains rising to the east and southeast. The city combines a historic downtown with riverfront parks, leafy neighborhoods, and easy access to outdoor areas.

Hong Kong is one of the few places in the world where a 700-year-old fishing village sits minutes away from the headquarters of international banks. Once a British colony and now a Special Administrative Region of China, the city carries traces of Cantonese, colonial, and global influences in its streets, rituals, and food. The city has more than 300 hiking trails, including the well-known Lion Rock hike, which ends at a dramatic cliff overlooking Kowloon’s dense skyline.