1. Grand Canyon, Arizona, USA
   The Grand Canyon is one of the most iconic and awe-inspiring natural wonders in the world, and rafting down the Colorado River through the canyon is an unforgettable experience. The rapids here range from mild to intense, so it's suitable for a range of skill levels.

2. Futaleufu River, Chile
   The Futaleufu River is a world-renowned destination for rafting, with Class III to V rapids and stunning scenery. The river flows through rugged mountains, verdant forests, and turquoise waters, making it a true paradise for nature lovers and thrill-seekers alike.

3. Zambezi River, Zimbabwe/Zambia
   The Zambezi River is one of the wildest and most challenging rivers in the world, with some of the biggest rapids and drops you can find. The scenery here is also breathtaking, with stunning gorges and wildlife such as elephants and hippos.

4. Rio Pacuare, Costa Rica
   The Rio Pacuare is one of the most beautiful rivers in Central America, with lush rainforests and waterfalls lining the banks. The rapids here range from Class II to IV, making it a great option for both beginners and more experienced rafters.

5. Tully River, Queensland, Australia
   The Tully River is one of the most popular rafting destinations in Australia, with Class III and IV rapids and stunning tropical scenery. The river is located in a UNESCO World Heritage Rainforest, making it a true natural wonder.

No matter where you choose to go rafting, there are some practical tips that can help make your experience safer and more enjoyable:

• Check the age requirements.
  While many rafting trips are suitable for children, some have age limits or restrictions. Make sure you check with the tour operator before booking.
• Be honest about your physical condition.
  Rafting can be a physically demanding activity, so make sure you are honest about your physical condition and any health issues with the tour operator. They can help you choose a suitable trip and provide any necessary accommodations.
• Dress appropriately.
  Wear quick-drying and moisture-wicking clothing, and avoid cotton as it can make you feel colder. Wear sturdy, comfortable shoes that you don't mind getting wet.
• Listen to your guide.
  Your guide is there to keep you safe and make sure you have a great time. Pay attention to their instructions and follow their lead when navigating through the rapids.
• Be aware of the dangers.
  Rafting can be a risky activity, and it's important to be aware of the potential dangers. Make sure you are familiar with the safety procedures and listen to your guide's instructions in case of an emergency. 
• Stay safe.
  Always wear a life jacket and helmet, and stay seated in the raft. Avoid standing up or jumping in the water.

Rafting is an adventure that anyone can enjoy, regardless of age or physical condition. By choosing the right destination and tour operator, and following these practical tips, you can have a safe and thrilling experience that you will never forget.