Yellala Falls

Yellala Falls on Congo

The last major rapids on the Congo River. Over the series of several falls, the river falls some 10-14 m over a distance of some 2.5 km. Congo is approximately 1 km wide there.

10 unique forests

Tiputini River

Article about unique forests of the world with a list of 10 forests – world recordists.

Sarma Cave

One of the deepest caves in the world, 1 830 m deep. In this beautiful cave live rare cave amphipods.

Veryovkina Cave

Veryovkina Cave, ascent from the Babatunda pit

The deepest known cave in the world, 2 212 m deep. Discovered in 1968, but the full depth was reached in March 2018.

Sea Lion Caves

Sea Lion Caves, Oregon

A system of enormous sea caves with up to 38 m tall ceilings. Here lives a group of Steller’s sea lions – during the winter there are hundreds of them. Discovered in 1880.

Borax Lake

Borax Lake

A thermal lake that is fed by hot springs. The temperature of the lake surface is between 16 and 38 degrees C and also higher. Lake water contains much borax, arsenic, and lead. Nevertheless, here lives a unique fish – Borax Lake chub (Gila boraxobius).

Montezuma Well

Montezuma Well

Large sinkhole, 112 m wide and 17 m deep. It is fed by powerful springs and its water has a high level of dissolved arsenic. In the sinkhole live at least five endemic organisms.

Saguaro National Park, West

Saguaro National Park, Arizona

One of the best locations to see the unique saguaro cactus (Carnegia gigantea) stands with thousands of these giant cacti. One of the most biologically diverse deserts in the world.