6. Marckolsheim to Neuf Brisach

According to Prosper Mérimée: "In 1103, the bishop of Basel donated the church of Biesheim to the convent of St. Alban in Basel, which established a "priory" there. During the Reformation, the city of Basel sold this Biesheim establishment, including the parish, to the town of Brisach, which subsequently commissioned the Capuchins to provide worship there. A pilgrimage is mentioned in 1273 and in the 16th century. The church is demolished and rebuilt in the new town created by Ludwig XIV, the "Ville-de-Paille" (1679). In 1703, the parish church was moved to Biesheim again and a church was built when the "Ville-de-Paille" was destroyed. The building was extended in 1826-1827. Totally destroyed during the bombings of 1944-1945, the church was rebuilt in 1952 according to the plans of the architect Georges Collet".

The Gallo-Roman Museum in Biesheim is dedicated to one of the major sites on the Upper Rhine plain, comprising a settlement, a 1st century military camp and a 4th century palace fortress.
The Optics Museum displays more than 400 objects which describe the development of optics over the last three centuries. The main fields of application of optics such as astronomy, topography, the navy, microscopy, medical optics or even laser and holography can be discovered.

In 1697, the Treaties of Ryswick signed in Rijswijk, a Dutch town on the outskirts of The Hague, put an end to the war of the League of Augsburg between Louis XIV and the Grand Alliance. France lost the stronghold of Brisach on the German bank of the Rhine. To make up for the loss of the old stronghold, which left a defensive gap between Strasbourg and Mulhouse, Louis XIV decided to build a new fortified town opposite Brisach, half a league from the Rhine, to prevent any invasion from across the Rhine. He entrusts the study to his architects Vauban and Jacques Tarade.
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The Royal Church of Saint-Louis is part of the historical heritage of the city built by Vauban. It was completed in 1736 but at the beginning it lacked interior decoration and it would take 10 years for the interior decorations (painted panels, high altar, pulpit), side chapels and woodwork to be completed. It was consecrated to Saint-Louis, King of France, by Bishop Gobel of Basel in 1777.