The Breadknife

The Breadknife - cliff in Australia

Highly unusual cliff formation – 90 meters high volcanic dyke, approximately half a kilometre long and in some places just 4 m wide.

Ball‘s Pyramid

Ball's Pyramid

An unusual remnant of a volcano – 562 meters high and just 200 meters wide cliff rising directly from the sea. Tallest volcanic stack in the world. Up to the recent time, this was the only place in the world where the up to 15 cm long Lord Howe Island stick insect (Dryococelus australis) was living.

Hvítserkur

Hvítserkur, Iceland

Amazing, 15 m tall cliff in the sea. This narrow cliff has two natural arches carved by the sea wave action.

Dyrhólaey

Dyrhólaey

Two neighboring natural arches under a narrow promontory in the sea. Nearby are also basalt stacks that are up to 66 m tall.

Arnarstapi

Arnarstapi

A group of sea arches and other rocks with amazing shapes.

Ikaite tufa columns in Ikka Fjord

Ikaite columns in Ikka Fjord, Greenland

Almost unique phenomenon – submarine tufa columns created by cold seeps from submarine springs. Columns are formed of ikaite – an unstable mineral that disintegrates in temperatures above 6 – 7 ° C. In total there are more than 600 such columns up to 18 m tall.

Diamond Rock (Le Rocher du Diamant)

Diamond Rock near Martinique

175 m high rock – volcanic plug – rising from the Caribbean. At certain times of the day it reflects in the sea and resembles a diamond. This inhospitable and nearly inaccessible rock could be the last refuge of a reptile – Couress grass snake (Liophis cursor). There is a cavern below the water level – it is adorned with sea fans and corals.