Hop across the border for an excursion to the oldest German town of Trier, which contains some beautiful examples of well-preserved Roman architecture, including the UNESCO-listed city gate of Porta Nigra (Latin for 'black gate'), remains of Roman baths and an amphitheatre. Located in the Moselle Valley, the city is an essential stop to include in a wine route through the area.

Step into the past at the Lynden Heritage Museum, where the history of the region comes to life. Founded in 1976, the museum spans half a city block and houses a captivating display of horse-drawn vehicles, including antique carriages and wagons. Explore fascinating exhibits that chronicle the settling of Lynden and its surrounding areas, and discover the stories of the pioneers who shaped the community.

Experience a top-ranked golfing challenge at Loomis Trail Golf Course. This exceptional course holds the distinction of being the only course in Washington State to make the nation's Top 100. Its challenging system of canals and lakes give it one of the highest slope ratings in the state, offering a thrilling experience for seasoned golfers. The course is open to the public on even days of the month, allowing everyone to test their skills on this remarkable layout.

Rebuilt entirely after being destroyed during WWII, Château de Clervaux is among the Duchy's most notable attractions. It contains a fascinating UNESCO-listed photography exhibition, Edward Steichen's 'Family of Man', which takes its origins at MoMA (Museum of Modern Art in New York) and has now found a permanent home at Clervaux. The two other on-site museums, one displaying scale models of Luxembourg's castles, and another dedicated to the WWII Battle of the Ardennes (which resulted in the original castle's annihilation), are also worth exploring.