Bat Cave!! - Carbide Lamp in 1900 Antimony Mine Hidden Prospect Found in a Natural Cavern!

1897 Copper Mine Powerhouse Found!! Unbelievable 10-Foot Diameter Pelton Wheel!

This Mine was Terrifying!! Abandoned Mine On the Verge of Collapse!

Largest and Most Legendary Abandoned Gold Mine 1889 Monte Cristo Ghost Town

37 Coal Miners Killed! Abandoned Coal Mining Ghost Town of Franklin WA.

Gold Rush Ghosts - Exploring an Amazing 1900's Historic Monte Cristo WA Abandoned Gold Mine

We Could Not Believe This. Incredible Artifact Discovery Made in an Abandoned Mine!!

Exploring Corfu, Washington: A Railroad Ghost Town & Historic Cemetery

Rare Steam Donkey Engine Found!! Awesome Mines and Artifacts Abandoned Bear Basin Mines

Why Every Mine Explorer Needs a Oxygen and Gas Detector – Low Oxygen Danger!

Mysterious 100 Year Old Abandoned Japanese Cemetery - Ghost Town of Walville WA

This 125-Year-Old Abandoned Mine Is Falling Apart… And We Went In

Miners Killed in Explosion - Abandoned Black Bear Gold Mine Claim

WOW! Fantasy Middle-Earth Setting 1890s Abandoned Copper Mine Carved Into the Mountain

Terrifying Bridge of Death in a 1900s Okanogan Abandoned Gold Mine

Okanogan County's Hidden Gold Rush Secrets: Abandoned Mines Revealed

1890s Abandoned Mine Dug Open! Rarest Artifact We Have Ever Found!

Uncovering a Forgotten Relic in a 1900s Abandoned Mine – Darrington Mining District Washington State

The Okanogan's Lost Mines: Exploring Mazama's Forgotten Treasures

The 1908 Abandoned Seattle Silver Mine Old Dynamite

Diverting a River for Gold?! The 1880s Placer Mine That Defied Nature

Historic 1902 Abandoned Mine Exploration – Claustrophobic Crawl & Waterfall Surprise

Flooded Historic 1900s Abandoned Copper Mine - Awesome Carbide Graffiti

1890s Copper Mine Hides ENORMOUS Flooded Shafts – Unreal Underground World

Secrets of a Abandoned 1900s Copper Mine – Index Mining District Washington State

Eastern Washington’s Forgotten Abandoned Nickel Mine – Full Exploration

Turn-of-the-Century Gold Mine Exploration – Original Stamp Mill Intact!

Exploring the Ghost Town of Monte Cristo Washington. An Abandoned Historic Gold Boom Town

Exploring Historic Glacier Basin 130 Year Old Abandoned Gold Mine - Monte Cristo Ghost Town

Lost Mine Found! 1900s Abandoned Copper Mine Discovered in Index, WA