In Bern, Switzerland, there are many interesting things to do and see. Here are some top recommendations:

• Admire the views from Bern Rose Garden (Rosengarten), which offers beautiful city panoramas.
• Take a photo with the bears at the Bear Pit (Bärenpark), where you can see bears in a naturalistic environment near the city center.
• Enjoy the scenic views from Nydeggbrücke, a historic bridge across the Aare River.
• Marvel at the Zytglogge Tower Clock, a medieval clock tower with an astronomical clock and animated figurines that perform every hour.
• Visit the Church of St. Peter and St. Paul to see its gothic architecture and stained glass windows.
• Explore the Bern Cathedral, a striking Gothic cathedral with a famous Last Judgment fresco.
• Have a coffee with a view at Münsterplattform, a square near the cathedral overlooking the city and Aare River.
• Immerse yourself in history at the Bern History Museum (Historisches Museum Bern) featuring exhibits from prehistoric times to the modern era.
• See the Käfigturm (Prison Tower), a medieval tower that once served as a prison and now hosts cultural exhibitions.
• Explore the Parliament Building square (Federal Palace), an impressive landmark symbolizing Swiss democracy.
• Walk through Bern’s charming Old Town with its medieval architecture and arcades.
• Discover the Einstein Museum and Einstein House, where Albert Einstein lived and worked.
• Go up to Gurten Plateau for panoramic views and outdoor activities.
• Enjoy the city’s many fountains and green spaces.

Bern offers a blend of historical, cultural, and natural attractions that make it a delightful destination for a city break or day trip. The activities above highlight the city's charm, history, and picturesque setting along the Aare River. This summary provides a comprehensive list to explore in Bern based on multiple travel guides and local recommendations.