2. Buried Below

The Dillman Family completes the underwater dye test at Shadow Cave. In Nevada, the Miners bring in a Cave ROV so they can explore past the dangerous mine collapse.

3. Spanish Death Trap

The Miners in Nevada use a smoke gun to find another entrance to a dangerous tunnel system. In New Mexico, the Villescas family uses crossbow ingenuity to find their way into a sketchy mine.

4. Weeping Cave

The Dillman family seeks answers in the mysterious Weeping Cave. Meanwhile, the Villescas family builds a shaker box to help sift through material faster.

5. A Grave Discovery

The Villescas talk with an expert about whether a spur they found could tie to the Conquistadors. In Nevada, the Miners' search gets sidetracked by the discovery of a potential grave site.

6. A Hidden Chamber

The Villescas family risks it all in New Mexico by bringing in more heavy machinery and a full crew. In Nevada, the Miners' research is threatened by the Sheriff's Department.

7. Chamber of Secrets

In Utah, the Dillman family drills into what they believe could be the hidden treasure chamber that their grandfather predicted; after a close encounter, the gold miners in Nevada must find another way into the rest of the underground tunnel system.

8. Explosive Discoveries

In Utah, the Dillmans try not to trigger an Aztec water trap. In New Mexico, the Villesca family discovers more secrets buried beneath the Fire Pits.