# Jefferson Barracks Ordnance Museum > Small museum houses a large collection of ordnance from air, land, and sea. Retired military engineer guides tours with cutaways showing assembly and function. Admission is low-cost, creating an accessible, focused experience. Source: https://www.atly.com/location/JeffersonBarracksOrdnanceMuseum - Address: 94 Worth Rd, St. Louis, Missouri, United States - Phone: +13143633271 ## What people say - "The museum guides are super knowledgeable about everything." ## Good to know - The museum is open Saturday and Sunday from 11 AM to 3 PM. - Admission is $5 cash only, which is a good value. - Tours are led by knowledgeable guides, often with military backgrounds. - The museum features a collection of ordnance from air, land, and sea. - The museum is relatively small compared to larger institutions. ## 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:** - **OpenAPI contract:** - **No key needed to start.** `POST https://agentic-api.atly.com/v0/keys` with an email raises the quota. Coverage is densest in the United States, with pockets in Mexico, Israel and Thailand.