With the longest shoreline of all of the Great Lakes, Lake Huron is one of the most unique lakes on Earth. It is the second largest of the Great Lakes, and the fourth largest lake in the world by surface area. Huron is renowned for its beaches, sand dunes, wetlands, forests, and extensive river systems.

Lake Superior is the largest freshwater lake in the world by surface area. It is the world's third-largest freshwater lake by volume and contains nearly 10% of the word’s fresh surface water. Lake Superior is relatively young, approximately 10,000 years old dating back to the last glacial retreat. The Lake Superior watershed includes the surrounding areas of Ontario, Minnesota, Wisconsin and Michigan.

The Great Sand Sea is an expansive region of sand dunes and desert located in the Sahara Desert, spanning the border between western Egypt and eastern Libya. The Great Sand Sea covers an area of approximately 72,000 square kilometers, stretching from the Siwa Oasis in Egypt to the Calanshio Sand Sea in Libya.

The universe is all of space and time and their contents. It comprises all of existence, any fundamental interaction, physical process and physical constant, and therefore all forms of matter and energy, and the structures they form, from sub-atomic particles to entire galactic filaments.

Lake Erie is the fourth-largest of the five Great Lakes of North America by surface area and the smallest by volume. It borders four U.S. states—Ohio, Pennsylvania, New York, and Michigan—and the Canadian province of Ontario.

Lake Titicaca is one of the most iconic and fascinating natural landmarks in South America. Straddling the border between Peru and Bolivia, it is known for its stunning beauty, rich cultural history, and unique ecological significance. There are numerous ancient ruins around the lake, such as the Chullpas (funerary towers) and Tiwanaku sites near its shores.

Lake Mweru is a freshwater lake located on the border between Zambia and the Democratic Republic of Congo (DRC) in central Africa. It is part of the Congo River basin and lies along the course of the Luapula River, which flows into the lake from the south and exits into the Luvua River in the north.

Shkodra Lake, also known as Lake Scutari, Lake Shkodër, or Skadar Lake, is the largest lake in Southern Europe. It straddles the border between Albania and Montenegro, offering stunning natural beauty and a unique ecosystem.

Lake Khanka (also known as Lake Xingkai) is a transboundary freshwater lake located on the border between Russia and China. It is the largest freshwater lake in the Russian Far East (Primorsky Krai) and the Heilongjiang Province of China.

Lake Victoria is the largest lake in Africa and the second-largest freshwater lake in the world by surface area, covering approximately 68,800 square kilometers (26,600 square miles). It is shared by three countries: Tanzania, Uganda, and Kenya.