Saturday, August 29, 2020

Biological wonders

Wonders of biology, such as trees, ecosystems etc.

Little Salt Spring

Water filled, 61 m deep sinkhole. At the depth of 3 m, the water becomes anoxic. Thanks to this in the sinkhole – spring...

Devil’s Den in Florida

Devil's Den is a karst window. Here through a narrow opening opens a view on large subterranean river. In thi ssinkhole were found remains...

Lehner Mammoth-Kill Site

In this place people of Clovis culture killed mammoths around 9,000 BC. There have been found bones of other extinct animals as well. Location, GPS...

Giant Logs and Long Logs

Some of the best examples of large petrified logs of Araucarioxylon arizonicum in varied colors. These fossils have been preserved from the Late Triassic...

Grand Canyon Caverns

Cave with enormous cave rooms. Contains remnants of some extinct animals, e.g. ground sloth. Caves can be accessed through a 64 m deep shaft...

The largest Fremont cottonwood in Skull Valley

This is the largest currently known Fremont cottonwood (Populus fremontii S. Watson). The tree has a circumference of 14.22 m and height of 31...

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...

Saguaro National Park, West

One of the best locations to see the unique saguaro cactus (Carnegia gigantea Britton & Rose) stands with thousands of these giant cacti. One...

Agate House Pueblo

Abandoned prehistoric settlement, almost exclusively built from petrified wood. Pueblo had eight rooms, inhabited in 900 - 1200 AD. Partly reconstructed. Location, GPS coordinates: 34.80511 N...

Nihoa Island

This 70 ha large island has its own palm species, several endemic bird species, unique flowers and giant crickets. Location, GPS coordinates: 23.0609 N 161.92203 W Categories: Ecosystems Values: Biology,...