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

1. Botanická záhrada Univerzity Komenského (Comenius University Botanical Garden) - Located in Bratislava, this garden features over 120,000 plant specimens from around the world, including many rare and endangered species.

2. Arboretum Borová hora (Borová hora Arboretum) - Located near Zvolen, this arboretum features a large collection of tree and shrub species from around the world, as well as a nature trail and educational programs.

3. Botanická záhrada (Botanical Garden) - Located in Košice, this garden features over 4,000 plant species, including many endemic to the Carpathian Mountains.

4. Botanická záhrada UPJŠ (UPJŠ University Botanical Garden) - Located in Košice, this garden features a collection of plant species from around the world, including many tropical and subtropical species.

5. Botanická záhrada Žilinskej univerzity v Žiline (University of Žilina Botanical Garden) - Located in Žilina, this garden features a large collection of plant species from around the world, including many medicinal and aromatic plants.