# Monks Mound > Largest prehistoric earthwork in North America rises with 154 stairs under open sun and no shade. Panoramic views stretch across Illinois to St. Louis, featuring the Gateway Arch on clear days. Site blends ancient history with physical challenge, offering a brief but meaningful stop. Source: https://www.atly.com/location/MonksMound ## What it is good for - Nice View — 10/10 - Historical Sites — 10/10 - Scenic Views — 10/10 ## What people say - "The climb is worth it for the gorgeous view from the top." - "The climb to these historical sites is tough, but the view from the top makes it worthwhile." - "The climb is worth it for the gorgeous scenic views from the top." ## Good to know - Monks Mound is free to visit, making it accessible for everyone. - The climb to the top involves 154 stairs, so be prepared for a workout. - Bring water, especially on hot days, as there is no shade. - There is plenty of parking available near Monks Mound. - The view from the top includes sights across Illinois and St. Louis. ## 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.