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All the United States South Dakota Keystone

The Atlas Obscura Guide To Keystone

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

Updated July 12, 2025
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Unusual Attractions in Keystone

The chamber narrows as it goes into the mountain.

Keystone, South Dakota

Hall of Records in Mount Rushmore

Hidden behind Lincoln's head is a chamber containing enamel plates documenting American history, sealed in a teakwood box in a titanium vault.
Harney Peak, The Highest Point in South Dakota

Keystone, South Dakota

Black Elk Peak

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

Keystone, South Dakota

World's Largest Bigfoot

This towering wooden Sasquatch was carved with a chainsaw.
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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
Museum at Black Hills Institute

Hill City, South Dakota

Museum at Black Hills Institute

One of the largest private collections of fossils in the world.
8 miles 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
(9/21/2018)

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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Stories About Keystone

The exterior of the Hall of Records.

Atlas Obscura Mailbag: Urban Exploration, Illegal Carvings, and Repeat Vacations

Don’t do anything Dylan wouldn’t do.
by The Podcast Team, Atlas Obscura
July 12, 2025
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