Vault 101

Vault 101 was built in the caverns under the Louisville Zoo.

It was created by a massive limestone quarry—with miners blasting out rock for over 42 years during the middle of the 20th century. It was acquired in 1989 by private investors and developed into a high-security facility. Construction carved out offices and storage in the more than 4,000,000 square feet of space.

Vault 101

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