Pae Rock in Tongsok Valley
Enormous balancing rock with breathtaking background of forested valley and rocky mountains.
Jusangjeolli
Sea promontory that is formed from thousands of interlocking basalt columns.
Pedreira do Piano, Porto Santo
Former quarry of basalt with impressive formations of hexagonal basalt.
Cabo Girão
A prominent cliff face, rising up to 589 m high directly from the ocean. Cliff is some 3 km wide. At the foot of the cliff in some places is a narrow strip of land with terraced fields – Fajãs de Cabo Girão.
Tehuacan stone snakes (tecuates)
Unusual and impressive travertine formations. These formations mark the lime deposits of ancient channels. The soil has weathered away leaving the hardened lime as enormous snakes stretching across the valley. These natural “channels” were used for the irrigation by local people before the coming of Spanish.
Sumidero Canyon
Very impressive canyon with giant abrupt cliffs rising above the Grijalva River. Unusual geological formations.
Tam Cốc-Bích Động
An area with beautiful tower karst formations. Here are found numerous caves.
Phong Nha-Ke Bang National Park
Impressive karst landscape with some of the largest caves in the world such as the Son Doong Cave. Here is located the longest known cave river in the world.
Dong Van Plateau
An area with very impressive tower karst where the cone-shaped limestone hills rise up to 800 m tall. Here are very impressive canyons, huge biodiversity values.
Hạ Long Bay
Site of unusual beauty – sea bay with approximately 2,000 tower-like islands formed by karst processes. The tallest islands are 100 m tall. The area contains many endemic species of plants and animals. Some islands have impressive caves (such as Hang Đầu Gỗ Cave). Local fishermen live in exotic-looking floating villages.
