A rebel fighter inspect a tunnel in the bunker of the main Muammar Gaddafi compound in Bab Al-Aziziya in Tripoli.

Muammar Gaddafi, the toppled Libyan leader, left behind numerous houses and compounds in Tripoli, Libya's capital, after being ousted from the city by a popular uprising.

In this Al Jazeera exclusive, Sue Turton explores the insides of a hidden compound once owned by Gaddafi in Tripoli.