Provence-Alpes-Côte d'Azur, France

Tucked in a narrow alleyway, this golden-hued medieval house was the birthplace and childhood home of the famous astrologer Nostradamus. It is not open to the public but has a historical marker and informational sign in French and English.

Nestled among lavender and sunflower fields, this medieval monastery is best known for its association with Vincent Van Gogh, who was treated for mental illness here in 1889–90.

Visible from nearby Arles on its hilltop, the Abbaye de Montmajour was mostly constructed in the 12th century and is now a World Heritage Site.

A former cathedral, the Église St-Trophime is notable for its elaborately carved Romanesque portal and two-story cloisters.

Founded in 1147, Silvacane Abbey is one of the Cistercian monasteries known as the Three Sisters of Provence. Its buildings are rather bare but have a noble simplicity that is representative of Cistercian ideals.

This former cathedral in Provence dates primarily from the 12th century. Its lovely cloister has sculpted capitals and a lapidary museum.

This unusual Romanesque chapel dates from the 12th century. Its triangular apse is decorated with a carved frieze.

This ornate Neo-Byzantine church sits atop the signal hill of La Garde, the highest natural point in Marseille.

This 12th-century Romanesque cathedral is dwarfed by the grand Palais des Papes that was later built next door. Inside are the tombs of several Avignon popes.