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.

The Tibetan Plateau, also known as Qinghai–Tibet Plateau and Qing–Zang Plateau, spans across multiple countries including China, India, and Bhutan as well as Gilgit-Baltistan in Pakistan, northwestern Nepal, eastern Tajikistan and southern Kyrgyzstan. It is surrounded by the Himalayas to the south, the Kunlun Mountains to the north, and various mountain ranges to the east and west.

Scandinavia refers to the cultural and geographical region in Northern Europe that includes the countries of Norway, Sweden, and Denmark. Geographically, it's characterized by its northern location, with vast forests, rugged coastlines, fjords, and a relatively cold climate.

The Caribbean is a region of the Americas that consists of the Caribbean Sea, its islands, and the surrounding coasts. It's known for its stunning beaches, vibrant culture, and diverse history. Tourism is a major industry in the Caribbean, attracting millions of visitors each year to its beautiful beaches, clear waters for diving and snorkeling, and historical sites.

Central America is a region connecting North America and South America. It consists of seven countries and serves as a vibrant cultural and ecological corridor. Its population was 52,700,000 in 2023. Central America is usually defined as consisting of seven countries: Belize, Costa Rica, El Salvador, Guatemala, Honduras, Nicaragua, and Panama.

The Caucasus, a mountainous isthmus of land sandwiched between the Black Sea and the Caspian Sea, is a region that includes parts of six countries – Russia, Georgia, Azerbaijan, Armenia, Turkey and Iran. It is home to the Greater and Lesser Caucasus Mountains, two of the world’s great mountain ranges and home to the highest peaks in Europe.

Oceania is a geographic region that includes Australasia, Melanesia, Micronesia, and Polynesia. Spanning the eastern and western hemispheres, it comprises numerous islands in the Pacific Ocean, including the continent of Australia. Oceania is a diverse and fascinating region, offering a blend of unique cultures, stunning natural environments, and complex histories.