Hawaii

This blowhole sometimes produces violent, powerful fountains of sea water. For the most time though it emits a hissing, roaring sound and fountains of...

A sinkhole of sea cave just some 15 m from the shore. Here the volcanic rock has been washed out by powerful waves. During...

One of the rather many blowholes in this area, formed on lava bed which reached the sea here. At rough weather the fountain from...

A hissing and roaring blowhole which creates up to 15 m high jets of water. Location, GPS coordinates: 21.88469 N 159.49338 W Categories: Blowholes Values: Geology, Visual Rating: Where is located? Oceania, United...

Dangerous stairway with (possibly) 3922 steps. Originally built in 1943 for a secret war-time radio station. Currently it is illegal to climb due to...

Impressive blowhole in the lava fields of Maui. The approximately 30 m tall fountain beats from a shallow pool close to the sea. Location, GPS...

One of the numerous lava caves in Hawaii Islands, one of the easiest to access. Kaumana Cave is 2 196 m long and the...

Enormous ancient temple with 55 by 43 m large platform. Walls of the platform rise up to 9 m tall. The temple reached the...

One of the largest petroglyph sites in Polynesia. Content of the images is linked to a cult of life. Location, GPS coordinates: 19.29194 N 155.12406 W Categories: Petroglyphs...

The largest heiau - ancient Hawaiian temple - in O'ahu. It was built in the 17th - 18th century and the area of the...