# James S. McDonnell Planetarium

> Star shows take place under a sky dome where visitors can sit or lie on provided yoga mats for comfort. The third floor features an environment that resembles a Star Trek starship, adding a unique visual element. The atmosphere is friendly and relaxing, making it suitable for families and children.

Source: https://www.atly.com/location/James-S-McDonnell-Planetarium

- Address: 5100 Clayton Ave, St. Louis, Missouri, United States
- Website: https://www.slsc.org/explore/mcdonnell-planetarium/

## What people say

- "I found the museums here informative and fascinating."

## Good to know

- Entry to the planetarium is free, but all shows cost money.
- Expect to spend around $200 for a family visit, including snacks and shows.
- The park's entrance does not allow exit; plan your route accordingly.
- Star shows are a highlight, providing an informative and relaxing experience.
- The planetarium hosts various events, including star shows on weekends.

## Get this data directly

This page comes from the Atly Places API, which scores close to 2 million places against more
than 1,400 intents — "nice view", "work friendly", "gluten free", "dog friendly" — from what real
reviewers say, with the statements behind every score.

- **MCP server:** `https://agentic-api.atly.com/mcp` — connect it in ChatGPT or Claude. Nothing to install.
- **Guide for agents:** <https://agentic-api.atly.com/v0/docs?src=seo%3Amd%3Atop-button%3A%2Flocation%2FJames-S-McDonnell-Planetarium>
- **OpenAPI contract:** <https://agentic-api.atly.com/v0/openapi.yaml?src=seo%3Amd%3Atop-button%3A%2Flocation%2FJames-S-McDonnell-Planetarium>
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Coverage is densest in the United States, with pockets in Mexico, Israel and Thailand.