Yes Theory: Abandoned

Yes Theory journeys to Colombia to explore the many residences of Pablo Escobar, uncovering the lasting impacts of the country's underbelly.

Seven million skeletons exist under Paris, forming a labyrinth under the city that has got one hell of a history.

The team stays overnight in the infamous abandoned Pennhurst State School. Let's just say they'll be having nightmares for months after this one.

Matt and Thomas explore the island of Poveglia, one of the scariest and eeriest abandoned places around. With over 160,000 deaths having taken place on the island, half of the island's soil is from human remains.

During a stop in Turkey, Thomas explores a collection of 200 million dollars worth of abandoned, Disney-like castles in the countryside.

Varosha is one of the largest and most tragic ghost towns on the planet. Once filled with tens of thousands of tourists, it's been abandoned now for around 50 years.