Given your interests in history, food, and nature, I'll create a general three-day itinerary that you can tailor to fit the specific city you're visiting. Since I don't know the exact city, I'll provide suggestions that can be adapted to various urban destinations. Feel free to replace the specific locations with equivalents in your destination city.

### Day 1: History and Food
- **Morning: Historical Landmarks**  
  Start your day by visiting the city's most famous historical landmarks. This could be a castle, a centuries-old church, or a museum dedicated to the city's history. Take your time to absorb the architecture and learn about the city's past.
  
- **Lunch: Local Cuisine**  
  After exploring historical sites, it's time to indulge in the local cuisine. Look for restaurants that serve traditional dishes. Don't hesitate to ask locals for recommendations; they can guide you to hidden gems that might not be in tourist guides.

- **Afternoon: Cultural Districts**  
  Spend the afternoon exploring cultural districts or neighborhoods that are known for their historical significance or vibrant cultural scene. These areas often have street performers, unique shops, and a lively atmosphere.

- **Evening: Food Tour or Market**  
  Dedicate your evening to a food tour or visit a local market. Many cities offer guided food tours that take you through various eateries, allowing you to taste a variety of local dishes. Alternatively, visiting a local market can provide a similar experience, with the added benefit of being able to explore at your own pace.

### Day 2: Nature and Relaxation
- **Morning: Park or Garden**  
  Begin your day with a visit to a large park or botanical garden. This will give you a chance to connect with nature and possibly offer a serene escape from the city's hustle and bustle. Look for walking or biking trails to explore.

- **Lunch: Outdoor Cafes**  
  Find an outdoor cafe or restaurant where you can enjoy your meal surrounded by greenery or a pleasant view. Many parks have eateries within them or on their periphery.

- **Afternoon: River or Lake**  
  If the city has a river or lake, consider spending your afternoon there. You could take a boat tour, walk along the riverbank, or simply sit and enjoy the view. This is a great way to see the city from a different perspective.

- **Evening: Sunset View**  
  Find a spot to watch the sunset, ideally from a high point or a scenic location near water. This could be a rooftop bar, a hill overlooking the city, or a spot by the river/lake. Enjoy local wine or beer and reflect on your day.

### Day 3: Hidden Gems and Departure
- **Morning: Local Neighborhoods**  
  Explore a local neighborhood that's not as frequently visited by tourists. These areas can provide insights into everyday life in the city and often have unique shops, cafes, and eateries. Ask your hotel concierge or locals for recommendations.

- **Lunch: Street Food**  
  Try some street food for lunch. Street vendors often serve quick, delicious, and authentic meals that can be a highlight of your culinary adventures.

- **Afternoon: Last Minute Sightseeing**  
  Use your last afternoon to visit any historical sites, museums, or natural spots you haven't seen yet. Consider purchasing a city pass if available, as it can provide entry to multiple attractions and sometimes public transportation.

- **Evening: Farewell Dinner**  
  Choose a highly recommended restaurant for your farewell dinner. Opt for a place that serves a specialty of the region or a Michelin-starred restaurant if budget allows. Make sure to book in advance to secure a table.

### Additional Tips:
- **Research Ahead:** While this itinerary provides a general framework, researching your specific destination will help you tailor it perfectly to the city's unique offerings.
- **Walking Tours:** Consider guided walking tours for history and food. They can provide deep insights and access to areas you might not find on your own.
- **Public Transport:** Familiarize yourself with the city's public transportation system. It's often the most efficient way to get around.
- **Safety:** Always be mindful of your surroundings, especially in unfamiliar cities. Keep valuables secure and be cautious in crowded areas or at night.

This itinerary should give you a balanced experience of history, food, and nature, with plenty of opportunities to explore and enjoy your new city. Safe travels!