---
title: "Underground at Wind Cave"
date: "2025-09-21"
location: "Wind Cave National Park"
country: "United States"
lat: 43.557
lng: -103.478
photos: 2
weather: true
weatherData: { tempMin: 10.7, tempMax: 25.8, code: 3, precipitation: 0, windMax: 10.5, source: "open-meteo", recordedAt: "2026-09-06T08:32:19.776Z" }
---

The cave breathes: air moves in or out of the entrance depending on the pressure outside, hard enough to feel on your hand.

Bison on the prairie above it, in a herd big enough that we sat in the car for twenty minutes waiting for the road back.