1) The Dead Sea, located between Jordan and Israel, is the lowest point on Earth's surface. Its saltwater is so dense that people can easily float on its surface.

2) The Victoria Falls, situated on the Zambezi River between Zambia and Zimbabwe, is one of the largest and most spectacular waterfalls in the world. It is over 1.7 kilometers (1 mile) wide and has a height of 108 meters (354 feet), attracting visitors with its breathtaking beauty and power.

3) Hugh Jackman is an Australian actor, singer, and producer best known for his portrayal of Wolverine in the "X-Men" film series. He has also starred in musicals such as "Les Misérables" and "The Greatest Showman" and has received critical acclaim for his performances.

4) The global response to climate change includes the Paris Agreement, an international treaty aiming to limit global warming and strengthen countries' efforts to address climate change through mitigation and adaptation strategies.