# James S. McDonnell Prologue Room > Massive Blue Angel model greets visitors in a compact museum focused on aviation and space exploration history. Exhibits include detailed aircraft and spacecraft models, alongside a 35-minute documentary that sets a reflective, educational tone. The space offers a quiet, informative atmosphere with free admission and occasional guided tours. Source: https://www.atly.com/location/James-S-McDonnell-Prologue-Room - Address: 9000 Airport Rd, Berkeley, Missouri, United States - Phone: +13142326896 - Website: https://www.boeing.com/company/tours/prologue-room ## What it is good for - Historical Sites — 10/10 - Museums — 10/10 ## What people say - "The historical sites here are wonderful and completely free." - "The museums here are wonderful and completely free." ## Good to know - Admission is free, and free posters are available for visitors. - There is plenty of free parking with clear signs directing you. - No reservations are needed unless you want a guided tour. - The visit typically takes about an hour or more to explore. - The prologue room is open Monday to Friday from 9AM to 4PM during summer. ## 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.