Give the names of two famous botanical gardens.

Explanation

**Step-by-Step Text Solution:**

1. **Understanding Botanical Gardens**: A botanical garden is a designated area where a variety of plants are grown, preserved, and studied. These gardens often have labeled plants for educational purposes and conservation.

2. **Identifying Famous Botanical Gardens**: We need to name two well-known botanical gardens from around the world.

3. **First Botanical Garden**: The largest botanical garden in the world is the Royal Botanical Gardens, which is located in Kew, England. This garden is renowned for its extensive collection of plants and its role in plant conservation and research.

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