The Ucayali River

The Ucayali River

The Ucayali Rivers runs 907 miles through the South American nation of Peru, making it one of the longest in the country.

Where is the Niger River?

Where is the Niger River?

The Niger River flows through 10 African countries, and serves as a vital resource to the people and wildlife along its course.

The Mamore River

The Mamore River

Before flowing into the Madeira after converging with the Beni, the Mamore flows for 1,199 miles in Bolivia and Brazil.

Where Does The Arabian Desert Lie?

Where Does The Arabian Desert Lie?

The Arabian Desert covers much of the Arabian Peninsula, and its iconic desert scenes of nomads, camels, and oil wells resonate with most people.

How Big Is Lake Michigan?

How Big Is Lake Michigan?

The third largest of the Great Lakes of North America, Lake Michigan covers an area of 58,016 square kilometers.

How Big Is Lake Tanganyika?

How Big Is Lake Tanganyika?

Lake Tanganyika covers an area of 32,893 square kilometers, with parts of Burundi, the DR Congo, Tanzania, and Zambia

The Jefferson River

The Jefferson River

The Jefferson River courses along 83 miles in the US state of Montana. It is one of the state's major rivers.