Djama’a al-Djedid, which means "the new mosque" in Arabic, is one of the historical mosques in Algiers. Completed in the 17th century, it was built in the Moorish architectural tradition. This is one of the most important buildings dating back to the Ottoman presence in the city.

The Cave of the Seven Sleepers in ar-Rajib village ties Islamic tradition to physical geography. According to the Quran, devout youths fleeing Roman persecution around AD 250 took refuge here, awakening 309 lunar years later in a testament to divine protection. The site, rediscovered in 1951, now includes a mosque built above the cavern, where an imam often explains the story’s theological importance. Visitors enter through the mosque (head cover required for women) to see the rock-hewn cave and adjacent Byzantine-era tombs. Unlike ornate shrines, the site’s power lies in its simplicity: the low-ceilinged grotto and quiet courtyard encourage reflection. While Jordan isn’t the only country claiming this legend (others exist in Turkey and Syria), the presence of 3rd-century Christian graves lends archaeological weight.

Erected in 1982 close to the Botanical Garden Hamma, "Mémorial du Martyr" commemorates the Algerian war of independence. It symbolises three palm leaves with a burning flame of eternity beneath, and honours people killed in the war between the 1950s and the 1960s.

Mesaieed is another oiland gas hub in Qatar that was recognized as an area of prime importance in the 20th century. In 1949, it became QatarPetroleum’s tanker terminal, growing Qatar’s oil industry. Other reasons included the deep waters that surrounded the area and its proximity to Doha.Located in the southeast of Qatar, it houses employees of Qatar Petroleum, but that isn’t its only claim to fame. Mesaieed is surrounded by golden dunes and beautiful beaches.