The Slave Trade Route, Badagry
Olumo Rock, Abeokuta
Ibadan Zoological Garden
Lesser Known Beaches of Lagos
Olumirin Waterfalls/Ikogosi/Arinta Waterfalls
Osun and Ekiti states are located about 3-4 hours away from Lagos so this one is a long shot. But it can be and has been done in a day. A visit to any of these sites is best done over the weekend but if you set out early, you can in fact see all or a few of them in a day.