A museum you could visit while in Mongo is the Musée National N'Djamena. It's located in the capital city of Chad, N'Djamena, which is about 750 kilometers southeast of Mongo. If you're interested in visiting more museums, there are several other options in N'Djamena, including the Musée Sahélien, the Musée de la Culture et des Arts du Tchad, and the Musée de la Femme du Tchad.
One popular and typical dish in Chad, including Mongo, is called Chakchouka. It's a stew made from eggs, tomatoes, onions, and sometimes peppers. Another popular dish is La Bouillie, which is a porridge made from millet or cornmeal. Other common dishes include Grilled goat meat (called Brochettes), Couscous, and Maffé (a peanut sauce served with rice or millet).
One fun activity that local people in Mongo enjoy is visiting the weekly market, where you can find a variety of goods such as food, clothing, and household items. Another popular activity is attending traditional dances and music performances, which are often held during cultural events and celebrations. Additionally, exploring the natural landscapes around Mongo, such as the nearby Ounianga Lakes or the Ennedi Plateau, can be a rewarding experience for adventurous travelers.