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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 exterior of the Hall of Records

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.
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.
Are we missing something unusual?
Add it!

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
Permanently Closed
Spokane Ghost Town

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
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Unforgettable Experiences Nearby

Explore Keystone, South Dakota

A
Mountains 2

Keystone Leaderboard

Places Added

  1. thomasharper
    1
  2. Wonder Voyage
    1
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Places Edited

  1. Kiri the Unicorn
    1
  2. Kevin OKeeffe
    1
  3. thomasharper
    1
  4. Wonder Voyage
    1
  5. Molly McBride Jacobson
    1
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Places Visited

  1. ruthherronross
    3
  2. THC73
    3
  3. poorboydrums
    3
  4. thenaturalmedic
    3
  5. Linda V
    3
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Visit a place in Keystone.

Recent Keystone Activity

  • lamarchick13

    has been to Black Elk Peak

    4 days ago
  • Wutz

    wants to go to Hall of Records in Mount Rushmore

    3 days ago
  • misterb316

    has been to World's Largest Bigfoot

    2 days ago
  • tlubbes

    has been to Hall of Records in Mount Rushmore

    1 day ago
  • kiirenza

    wants to go to Black Elk Peak

    about 20 hours ago

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