The Yes Theory team head into the deserts of California to investigate a paranormal hotel. An urban mystery on the road to Las Vegas.

Within an abandoned military base, squatters have established their haven, Slab City. A place that on the surface appears hostile, but proves to be somewhere inviting and beautiful.

Yes Theory journey to Columbia to explore the many residences of crime boss, Pablo Escobar. Uncovering the lasting impacts of the countries underbelly.

7,000,000 skeletons exist under Paris. There's a labyrinth under the city, and it's got one hell of a history. The Yes Theory team decide to learn more about it and go exploring underneath the city at night.

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.

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