1. The National Museum of Bosnia and Herzegovina, located in Sarajevo, is the oldest and largest museum in the country. It was established in 1888 and has a vast collection of over four million artifacts related to archaeology, ethnology, natural history, and art history. The museum is housed in a beautiful Austro-Hungarian building and is a must-visit for those interested in learning about the history and culture of Bosnia and Herzegovina.

2. The working hours of the National Museum of Bosnia and Herzegovina vary depending on the day and season, so it is best to check their official website or contact them directly for the most up-to-date information. Their phone number is +387 33 537 560.

3. Ticket prices for the National Museum of Bosnia and Herzegovina also vary depending on the exhibitions and events happening at the time. There are often discounts available for students, seniors, and large groups. The museum is easily accessible by public transportation, including trams and buses, and is located near the city center of Sarajevo.