Djibouti

Lake Assal lies 155 metres below sea level — the lowest point in Africa and the third-lowest exposed land surface on earth, after the Dead Sea and the Sea of Galilee. With a salinity of around 35 % (ten times the ocean), it is one of the saltiest bodies of water in the world: a stark white salt-crystal shoreline gives way to turquoise evaporation pools and hyper-saline depths, set against the black volcanic basalt of the surrounding Rift Valley. A standard day-trip from Djibouti City takes 2–3 hours each way; the lake is part of the broader Afar Triangle, one of only a few places on earth where mid-ocean-ridge rifting can be observed on land.

Lake Abbé, on the Ethiopian border in the southern Afar region, is one of the most surreal landscapes in Africa: hundreds of natural limestone chimneys, up to 50 metres tall and steaming gently in the morning, formed by hot springs depositing calcium carbonate over thousands of years. Lesser flamingos gather in pink rafts on the alkaline shallows; the salt flats stretch to the Mabla volcanic ridge in the distance. The site featured in the original Planet of the Apes (1968) and stays in shoreline camps allow sunrise photography when the chimneys catch the first light.

The Gulf of Tadjoura, particularly the Bay of Ghoubbet and the area around Arta Beach, hosts one of the world's most reliable seasonal aggregations of juvenile whale sharks from November to February — when the gentle plankton-feeding giants congregate close to shore in 5–15 metres of water. Day-boat snorkelling trips from Djibouti City and Tadjoura are the standard access. The same waters, especially at the Îles des Sept Frères archipelago, offer excellent reef diving for manta rays, dolphins and the full Red Sea coral fauna.

The Day Forest National Park, at 1,500–1,750 metres in the Goda Mountains, preserves the country's only significant afro-montane forest — a relict ecosystem of dragon trees (Dracaena ombet), wild junipers, olive and fig, in a country that is otherwise desert and semi-desert. The endemic Djibouti francolin (Pternistis ochropectus, critically endangered) lives only here. The drive up from the coast at Tadjoura is itself part of the experience: 1,800 metres of ascent through stark volcanic plateau, ending in cool, mist-fed forest very different from the heat below.

Tadjoura, on the north shore of the Gulf of Tadjoura, is one of the oldest towns of the Horn of Africa — known historically as the 'town of seven mosques' (Tadjoura had been a major Islamic centre on the Red Sea trade route since at least the ninth century). Obock further north was the original French outpost on the coast (1862–1888) before the capital moved to Djibouti City. Both preserve characteristic coral-stone Red Sea architecture, mangrove inlets, and access to the diving and whale-shark waters of the gulf.

The petroglyphs of Abourma, in the Goda mountain range, are among the most important rock-art sites in the Horn of Africa — Bronze Age and earlier engravings of cattle, antelopes, giraffes and human figures dating from the second millennium BCE, evidence of a time when the Afar region was fertile pasture rather than the arid desert it is today. Access is by 4×4 with a local Afar guide; the route also passes the Bankoualé village, an unexpected oasis with date palms and a permanent freshwater spring at the foot of the Mabla range.

Djibouti City, on a small peninsula projecting into the Gulf of Tadjoura, layers French colonial architecture, Yemeni-Arab merchant houses, Somali and Afar trading culture, and the cosmopolitan atmosphere of one of the busiest ports in East Africa. The Place du 27 Juin (Place Ménélik) and Place Mahmoud Harbi mark the colonial-era European Quarter; the Mahamoud Harbi Mosque and the African Quarter behind it preserve the older trading-town character. Café culture is strong — Djibouti has been a coffee transit hub between Ethiopia and the Red Sea for centuries — and the fish market at Boulaos is the most photogenic moment of the day.