Chateau de Nyon is a historic castle built in the 12th century. It features a museum showcasing local history and fine porcelain, along with stunning views of Lake Geneva from the terrace.

Prangins Castle is a historic château built in 1730. It features a beautiful park and kitchen garden, showcasing life in Switzerland during the 18th and 19th centuries through its exhibitions.

The Roman Columns in Nyon are ancient artifacts from the Roman period. They showcase the city's long history and architectural beauty, drawing visitors interested in archaeology and culture.

The Lake Geneva Museum in Nyon focuses on the history of Lake Geneva, also known as Lac Léman. Since 1954, it has showcased the area's nautical heritage and its significance to the surrounding communities.

The Nyon Roman Museum showcases the rich history of the Roman presence in Switzerland. Visitors can see ancient artifacts, including tools and pottery, that tell the story of life in this region during Roman times.