Luxembourg is a small country with a lot to offer. Here are some of the best things to do in Luxembourg based on the search results:

1. Wander around the Old Quarter: The Old Quarter in Luxembourg City is a UNESCO World Heritage Site and the perfect place to start your trip. Youll find tree-lined cobbled streets, lush parks, and gardens.

2. Visit Notre Dame Cathedral: This beautiful cathedral is located in the heart of Luxembourg City and is a must-see attraction.

3. Explore the Palais Grand-Ducal: This palace is the official residence of the Grand Duke of Luxembourg and is open to the public for tours.

4. See Casemates du Bock: This is a network of underground tunnels and galleries that were used to defend the city. Visitors can tour a section of the tunnels and enjoy the views over the valley.

5. Take a walking tour of Old Town: A walking tour is a great way to explore the city and learn about its history and culture.

6. Visit the National Museum of History and Art: This museum is located in a beautiful building in the heart of Luxembourg City and has a wide range of exhibits covering the history and culture of Luxembourg.

7. Go wine tasting along the Moselle River: The Moselle Valley is known for its vineyards and wine production. You can take a tour of the vineyards and taste some of the local wines.

8. Relax in Place Guillaume II: This is a beautiful square in the heart of Luxembourg City where you can sit and enjoy the atmosphere.

9. Explore the beautiful nature of Upper Sure Natural Park: This park is known for its stunning views and hiking and cycling trails. Its a great place to escape the city and enjoy nature.

10. Try Luxembourgish food: Luxembourg has a unique cuisine that is influenced by its neighboring countries. Some of the local dishes to try include Kiddelen, Grommperekichelcher, and Quiche Lorraine.

11. Attend a festival or outdoor event: Luxembourg City has a vibrant cultural scene with festivals and events happening throughout the year. Some of the popular events include the Luxembourg Christmas markets and the international music festival in Echternach.

12. Visit Vianden Castle: This is a beautiful castle located in the town of Vianden. Its one of the most popular attractions in Luxembourg and is well worth a visit.

13. Take to the Upper-Sûre Lake: This lake is located in the Upper-Sûre Natural Park and is a great place for water sports and outdoor activities.

14. Explore by bike: Luxembourg has a well-developed network of cycling trails that are perfect for exploring the countryside.

15. Visit the Golden Lady: This is a statue located in the center of Luxembourg City that is a symbol of the countrys independence.

These are just a few of the many things to do in Luxembourg. Whether youre interested in history, culture, nature, or food, theres something f...