Hammam Meskhoutine (Hammam Meskoutine)

Travertine formations of Hammam Meskhoutine, Algeria

Group of hot springs that have formed giant travertine terraces. The discharge of the hottest spring (98° C) is 1650 l/min. Used for bathing since Roman times.

Gouina Falls

Gouina Falls, Mali

Magnificent falls on Senegal River, approximately 500 m wide and 16 m tall.

Abismo Guy Collet

The deepest cave in South America and deepest quartzite cave in the world, explored up to 671 meters deep.

Desabamento Falls

Desabamento Falls after heavy rains. Some 200 m tall Surpresa Falls seen in the far background

One of the greatest waterfalls of Serra do Aracá, an approximately 200 m tall waterfall.

Blakitnaja Krynica (Blue Well)

Blakitnaja Krynica

Powerful, picturesque spring, considered to be the most powerful spring in East European Plain. Output – around 60 l/s. Site of legends, sacred place.

Sima Aonda

Overview of Aonda platform, Venezuela

383 meters deep, ancient quartzite sinkhole. The stream that flows through it, emerges at one side of the steep wall of Auyantepui and here, in the open air, it falls down for some 100 m.

Palm Valley, Northern Territory

Palm Valley - the only place in the central deserts of Australia where grow palms

Oasis in the middle of the enormous desert, the only place in the central part of Australia where grow palms: the rare Livistona mariae as well as other rare plants. The ecosystem is fed by spring water. It is likely that palms were brought here by people some 15 – 30 thousand years ago.

Bisi Falls (Wasi falls)

Impressive, beautiful waterfall, some 100 m tall and 90 m wide. Main falls are supplemented by some 200 m wide group of spring waterfalls from the cliff face in the canyon.

Mount Bosavi Crater

Waterfalls in Bosavi crater, Papua New Guinea

Forested volcano (some 4 km wide and 1 km deep) that is isolated from other highlands of Papua New Guinea. Here in the montane forest live numerous species of plants and animals that are not met anywhere else in the world, including the 82 cm long Bosavi Wooly Rat and fish that emits grunting noise.