7 World Natural Wonders You Must See

About 1,600 islets lie in this 580-square-mile (1,500-square-kilometer) region in Vietnam's Gulf of Tonkin.

Ha Long Bay, Vietnam

This volcanic island in southern Indonesia's Lesser Sunda Islands is known for its enormous lizards. Komodo dragons are Earth's largest lizards.

Indonesia's Komodo Island

Pamukkale means “cotton castle.” At 655 feet (200 meters), a cliff-top spring releases hot water. Spring water from 1,050 feet (320 meters) underground is warm.

Pamukkale, Turkey

This beautiful lake is in Banff, Canada's oldest national park. Active glaciers in the Canadian Rockies feed it. As they advance, glaciers remove rock particles.

Canada's Peyto Lake

Most glaciers in the region are melting swiftly, but this one has barely changed in 100 years. Studies show it has moved at least 2,625 feet (800 meters) since the late 1800s.

Perito Moreno Glacier, Argentina

The world's largest salt flat covers almost 4,000 square miles (10,300 square kilometers) at 12,000 feet.

Salar De Uyuni, Bolivia

The coral reef-surrounded Maldives have 1,190 tiny islands in the Indian Ocean. Nearly 1,000 islands are uninhabited.

Maldives, Indian Ocean

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