An Alcatraz guided tour offers an immersive experience of one of America's most infamous prisons, located on Alcatraz Island in San Francisco Bay. Here's what you can generally expect from an Alcatraz tour:

1. Ferry Ride: The tour usually starts with a ferry ride from San Francisco to Alcatraz Island. The ride provides scenic views of the city skyline and the Golden Gate Bridge.

2. Welcome and Orientation: Upon arrival, you'll receive an introduction and orientation from National Park Service staff or guides. They'll provide you with information about the island's history, its significance, and the guidelines for your visit.

3. Cellhouse Tour: The primary focus of the tour is the Alcatraz Cellhouse, where you'll explore the prison's various areas, including the cells, dining hall, library, and recreation yard. Guides often provide captivating stories about the inmates, escape attempts, and daily life on the island.

4. Audio Tour: Most guided tours include an audio tour, which you can listen to on a provided device. This self-guided audio tour features narrations from former inmates and guards, enhancing the experience by sharing personal anecdotes and insights.

5. Cell Displays: Throughout the Cellhouse, you'll find cells set up to give you a sense of how they were arranged during the prison's operational years. Some cells feature exhibits about famous inmates and significant events.

6. Recreation Yard: The tour often includes a visit to the recreation yard, where you can see the outdoor area where inmates would exercise and spend limited leisure time.

7. Special Exhibits: Depending on the timing of your visit, there might be special exhibits or events taking place on the island. These could include art installations, historical displays, or talks by experts.

8. Ranger Programs: National Park Rangers conduct various programs and talks that provide deeper insights into Alcatraz's history, wildlife, and conservation efforts. These programs can be informative and engaging.

9. Time to Explore: While the guided portion of the tour is focused on the Cellhouse, you'll have the opportunity to explore other parts of the island on your own. This might include visiting the old military fortifications, gardens, and scenic viewpoints.

10. Souvenir Shop: Alcatraz Island usually has a gift shop where you can purchase souvenirs related to the prison's history and the National Park Service.

11. Return Ferry: After your exploration, you'll take the return ferry back to San Francisco. This is another chance to enjoy the views of the city and the bay.

Keep in mind that tour offerings might change over time, and it's a good idea to check the official Alcatraz Island website or contact the National Park Service for the most up-to-date information on tour options, schedules, and any COVID-19 related guidelines. Additionally, tickets for Alcatraz tours tend to sell out quickly, so it's advisable to book in advance, especially if you have specific dates in mind.