The world's most incredible engineering projects are revisited to uncover why places full of mysteries and untold secrets are now abandoned ruins.
S10 E1-Penthouse Palace
S10 E2 - Castle Kingdom
S10 E3 - Rock 'N' Roll Island
S10 E4-K-Pop Dreamland
S10 E5-The True Cross
S10 E6-Blues Prison
S10 E7 - Fake News Fortress
S10 E8 - Turkish Wonderland
