5 Sights in Saint-Germain-en-Laye, France (with Map and Images)

Fort Saint-Sébastien was a fort intended for the training of the armies of Louis XIV in poliorcetics. Located in a loop of the Seine, in the alluvial plain of Achères north of the forest of Saint-Germain-en-Laye and about twenty kilometers northwest of Paris, this fort had a brief existence. Built in 1669 and extensively modified and enlarged in 1670, it could accommodate between 15,000 and 20,000 men and several thousand horses. After the departure of the royal troops for the war, the site was levelled in 1671 and reassigned to cultivation that same year. Its location still appears on the Plan of the forest of Laye [...] and all that is contained in this cove of the Seine River of Nicolas de Fer dated 1705, with the mention: "Place where was built the fort called of Saint-Sébastien in 1670".

Wikipedia: Fort Saint-Sébastien (camp d'entrainement) (FR)

The Château du Val is a seventeenth-century French castle of classical style located in the commune of Saint-Germain-en-Laye, at the northern end of the Grande Terrasse, in the Yvelines department and the Île-de-France region. It was originally a hunting rendezvous built for King Henry IV, enlarged and renovated by the architect Jules Hardouin-Mansart for Louis XIV.

Wikipedia: Château du Val (Saint-Germain-en-Laye) (FR)

The current Pecq bridge, officially called "Pont Georges-Pompidou", is a road bridge that spans the Seine in the commune of Pecq, whose territory extends on the two banks of the river. This bridge is located between the Pont de la Île de la Loge and the PECQ railway viaduct.

Wikipedia: Pont du Pecq (FR)

The Saint-Germain church is, with the Saint-Léger church, one of the two parish churches of Saint-Germain-en-Laye, in the department of Yvelines (France). It was called at the beginning of the 18th century Saint-Germain-de-Paris.

Wikipedia: Église Saint-Germain de Saint-Germain-en-Laye (FR), Website

The Musée Claude-Debussy, or Maison Claude Debussy, is the birthplace of the composer Claude Debussy, in Saint-Germain-en-Laye, a western suburb of Paris, France. It contains a small museum about the composer.

Wikipedia: Musée Claude-Debussy (EN)