Check out Algiers's must-see buildings below:

The Great Mosque of Algiers

A post shared by Rıdvan Yazıcı (@zuckzit) on Feb 10, 2017 at 11:13am PST

Built By: Sultan Ali ibn Yusuf Built: 1097 Type: Mosque Address: Boulevard Amilcar Cabral, Algiers، Algeria Open to the Public: Unknown

Notre Dame d'Afrique

A post shared by Around The World Photography (@ev__photography) on Jun 23, 2017 at 11:44pm PDT

Architect: Jean Eugène Fromageau Built: 1872 Type: Church Address: Rue de Zighara, Bologhine, Algeria Open to the Public: Yes Website: notre-dame-afrique.org/

La Grande Post d'Alger

A post shared by @toninovalente on Jul 8, 2017 at 12:09pm PDT

Architect: Jules Voinot, Marius Toudoire Built: 1910 Type: Post Office Address: Grande Post, Algiers (This is a square / crossroads in the center of the city) Open to the Public: Yes

Palais des Rais

A post shared by Graffyc Foto (@graffycfoto) on Feb 13, 2017 at 1:16pm PST

Architect: Dey Ramdhan Pasha Built: 1576 Type: Palace Address: Boulevard Amara Mohamed Rachid, Casbah, Algeria Open to the Public: Yes Hours: Daily: 9:00am - 5:00pm Website: www.palaisdesrais-bastion23.dz/index.php/le-monument

Ketchaoua Mosque

A post shared by Travel Addiction (@travell.addiction) on Jun 24, 2017 at 4:51pm PDT

Built: 1612 Type: Mosque Address: Rue Ahmed Bouzrina, Casbah, Algeria Open to the Public: Unknown

Maqam Echahid (Martyr's Monument)

A post shared by ⵙⵉⵀⴰⵎ (@siham_rt) on May 9, 2017 at 2:40am PDT

Architect: Bachir Yellès, Marian Konieczny Built: 1982 Type: Monument to lives lost in the Algerian Civil War Address: Chemin Omar Kechkar, Algiers, Algeria Open to the Public: Yes Website: 24/7

Royal Mausoleum of Mauretania

A post shared by Cason Crane (@casoncrane) on Oct 17, 2017 at 11:27am PDT

Built: 3 BC Type: Mausoleum, Monument Address: Sidi Rached , Tipaza، Algeria Open to the Public: Yes Cost: Free [mappress mapid="99"]