Surrounded by ramparts, the upper town stands on the site of the ol Roman castrum. This part of the own is very busy during the summer, as people stroll along the ramparts or through its streets dotted with monuments.

An introduction to the deep seas - the Centre National de la Mer is a blue wonderland with aquatic background music, showing 10,000 marine animals and fish from all the world's seas. Les Mondes de la mer show us the little-known worlds of plankton an..

This polygonal building protects the most vulnerable part of the ramparts. Spread over four floors, the tour shows a diversity of collections while displaying the castle interior: there are Greek and Egyptian collections including a lovely selection ..

This folk museum is housed in one of the last period buildings (1870) still standing in the former seamen's district, once known as "la Beurière", which was almost completely destroyed by allied bombing during the Second World War. It conta..

The Opal Coast extending between Boulogne and Calais forms a succession of dunes, dry valleys and craggy cliffs overlooking the Strait of Dover. The most spectacular part of the coastline, between the sea and the sky, is the Opal Coast bluff, where t..

The oldest house in the town, dating back to the 12th C, stands at n° 58. To the left, the basilica of Notre-Dame.

Inside the basilica, a major Corinthian colonnade supports the building. Behind the choir stall, there is a superb cupola with its large statues. Under the basilica, there is a maze of underground passages linking 14 rooms, including the treasury ..

The delicate pink brick façade of the town hall with its 18th C stone facing contrasts with the Gothic belfry.

The 13th C Gothic belfry with its 12th C foundations is the old keep of the castle of the counts of Boulogne. It houses some antique furniture from the area and a beautiful stained-glass window showing Godefroy de Bouillon , a member of the house of..

This street has old bare stone façades. You will see the old merchants' guildhall and the back of the Convent of the Annonciades.

Even the dullest readers can dreamily contemplate the lovely ceiling of caisssons in the 18th C chapel where the library's main reading is housed, part of the former Convent of the Annonciades.

Between 1803 and 1811, Napoleon stayed in this Louis XVI style mansion on several occasions.

Statues of Charlemagne and Napoleon I stand on the neoclassical façade of these law courts, built in 1852.

Built in the early 13th C over the Gallo-Roman wall, the ramparts form a 325 x 410 metre rectangle with four gates flanked by two towers. The circuit that can be reached from each gate gives fine views over the town and bustling port. Four pedestrian..

The «Libertador» José de San Martin lived here from 1848 until his death in 1850. The museum has several souvenirs of the illustrious general.

1785: Pilâtre de Rozier, accompanied by Romain, decided to make a major attempt, having already been the first man to defy gravity in a ballooning tour of Paris that took him from Porte de la Muette to La Butte aux Cailles. The Montgolfière was blown..

Built between 1220 and 1250, the oldest church in Boulogne. Restored in the 16th and 18th C with a classical façade.

The external port is protected by two sea walls (one 3,250 metres long). There is a travel and leisure port with a tidal basin and the Napoléon and Loubet basins are used by the larger fishing boats. The Gare Maritime and Quai Gambetta are very busy ..

The Sailors' Cross stands in the place of a Roman lighthouse that was destroyed in the 17th C. The calvary and chapel both suffered the same fate, with the retreat of the cliff. It was rbuilt near a new chapel in 1996 in the shape of a boat. From the..

In 1804, Napoleon distributed a second round of medals to the Légion d'Honneur on this spot. 2,000 men received their crosses, dressed in shields and helmets by Du Guesclin and Bayard, in the presence of the Emperor, who sat on a throne in the spot n..