If you're planning to travel from Zurich to Bern, the Swiss Travel System high-speed train is a great option. It will get you there in about an hour and provides a comfortable ride with stunning views. Alternatively, consider taking a private car via the highway, but keep in mind that travel time may vary depending on traffic.

The ideal time to visit Bern is from May to September as the weather is pleasant and there are many events and festivals to enjoy. The historic city center and beautiful parks are particularly popular during these months. However, if you are interested in snowy landscapes and winter sports, visiting during winter can be an exciting experience.

Bern has many interesting attractions, including the Zytglogge, a medieval clock tower that features a mechanical puppet show every hour. In addition, the Bundeshaus (Swiss Parliament) is also worth a visit, as well as the Paul Klee Centre and the Bärengraben (Bear Park), which is home to European brown bears. Don't miss the beautiful cobblestone streets in the Old Town and the panorama of the Aare River.

One of the things that makes Bern unique is the presence of bears in the Bärengraben, which have been a part of the city for centuries and have become a symbol of the city. In addition, its classical architecture and peaceful atmosphere make Bern a city with a distinct charm from other larger cities in Switzerland.

When in Bern, it's important to keep the surroundings clean. Though tipping is not mandatory, it's highly appreciated after meals in restaurants. If you need help while shopping, don't hesitate to ask the seller or store attendant. When visiting sacred places like churches or temples, ensure to dress modestly and adhere to the rules of the place.