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The Atlas Obscura Guide To Keystone

2 Cool, Hidden, and Unusual Things to Do in Keystone, South Dakota

Updated January 30, 2017

Unusual Attractions in Keystone

Keystone, South Dakota

Hall of Records in Mount Rushmore

Hidden behind Lincoln's head is a 70-foot-long chamber containing enamel plates documenting American history, sealed in a teakwood box in a titanium vault.

Keystone, South Dakota

Black Elk Peak

The highest point in South Dakota contains the ashes of Valentine McGillycuudy, the "Holy White Man."

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Rapid City, South Dakota

Cosmos Mystery Area

A place where the laws of nature seem to have gone completely berserk... but of course haven't.

1 mile from Keystone

Custer, South Dakota

Crazy Horse Memorial

The world's largest mountain carving could fit all of Mount Rushmore inside it many times over.

11 miles from Keystone

Hermosa, South Dakota

Spokane Ghost Town

Despite repeated attempts to make it work, this former mining town is now nothing but dust and memories.

11 miles from Keystone

Rapid City, South Dakota

Thunderhead Underground Falls

A waterfall 600 ft. inside a mountain, once the bane of gold miners, is now a spectacle of nature.

11 miles from Keystone

Rapid City, South Dakota

Chapel In The Hills

This replica stave church looks like a piece of Norway was simply plopped down in South Dakota.

12 miles from Keystone

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