Natural wonders

Low, some 1.8-2 m tall and approximately 80 - 100 m wide waterfall, which is world famous thanks to a large group of brown...

The deepest known cave in Alaska, 242.9 m deep. Location, GPS coordinates: 55.74 N 133.55 W (approximate) Categories: Caves Values: Geology Rating: Where is located? North America, United States, Alaska, south-western part of...

A lava tube where have been found remnants of unique dwarf mammoths (Mammuthus primigenius) who lived here around 3700 BC. Qagnax Cave is 12...

The deepest vertical shaft in the mainland USA, 182.4 m deep. It is near El Capitan Cave but the connection has not been found...

The longest cave in Alaska - 3,846 m long and up to 130.8 m deep. Location, GPS coordinates: 56.16633 N 133.31352 W Categories: Caves Values: Geology Rating: Where is located? North America, United...

Valley which is filled with volcanic ash from an eruption in 1912. The layer of ashes is up to 210 m deep. After the...

A stream with waterfalls which flows down from Mount Chiginagak volcano. Indecision Creek is very acidic, with pH of 1.2, its water has sulfuric...

A group of nine warm springs with temperature up to 49 °C. Next to the Baranof Warm Springs is powerful waterfall - outlet of...

The most symmetrical cone-shaped glacier clad volcano (and mountain in general) in the world, 2857 m high. Mount Shishaldin is continuously active, emitting a...

Volcano with very active fumarolic activity. Its crater contains intermittent acidic lake and thick sulfur deposits. Location, GPS coordinates: 58.16913 N 155.35699 W Categories: Volcanoes, Lakes and streams,...