Spain has several beautiful botanical places worth visiting. Here are some of the most well-known ones:

1. Royal Botanic Garden of Madrid (Real Jardín Botánico de Madrid) - Located in Madrid, this garden is one of the oldest botanical gardens in Europe, featuring a collection of over 90,000 plant species, including many from Spain and Latin America.

2. Botanic Garden of Barcelona (Jardí Botànic de Barcelona) - Located in Barcelona, this garden features a collection of over 6,000 plant species, including many from Mediterranean climates and other arid regions.

3. Botanic Garden of Valencia (Jardí Botànic de la Universitat de València) - Located in Valencia, this garden features a collection of over 4,000 plant species, including many from the Mediterranean region and other subtropical areas.

4. Botanic Garden of Cordoba (Jardín Botánico de Córdoba) - Located in Cordoba, this garden features a collection of over 5,000 plant species, including many from the Andalusian region of southern Spain.

5. Botanic Garden of San Francisco (Jardín Botánico de San Francisco) - Located in Burgos, this garden features a collection of over 5,000 plant species, including many from the Castilian plateau and other areas of northern Spain.