Malawi sat on the eastern slave route, not the Atlantic one. The lake carried captives to Kilwa, and the trail that records it is on the Tentative List.
The basalt mountain at the southwest corner where escaped slaves sheltered, inscribed for what is remembered about it rather than for what is built on it.
The last of the native forest of Mauritius, on 3.5 per cent of the island, holding species that exist nowhere else. On the Tentative List, not inscribed.
One of the oldest botanical gardens in the southern hemisphere, and the clearest surviving record of the plant economy that indenture was imported to serve.