Monday, July 16, 2018

Dragon Hole

Currently the deepest known underwater sinkhole (blue hole) is Dragon Hole - 300.89 m deep hole in a shallow shoal in Paracel Islands. This sinkhole...

Cave of the Crystals, Naica

It is possible that entrails of the Earth hide more caves like this - but up to this day Cave of the Crystals is...

Hranice Abyss (Hranicka Propast)

The impressive sinkhole near Hranice town - Hranice Abyss - has been known for centuries. But over the last decade it turns out that...

Pozzo del Merro

The second deepest known water-filled sinkhole - cave system is located in the vicinities of Rome. Recently none expected that the small lake in...

Szepvolgyi System (Pál-völgy Cave)

Entrance in the longest cave in Hungary - Szepvolgyi System - is located only some 3 - 4 km from the Hungarian Parliament Building....

Ochtinská Aragonite Cave

There are some caves in the world which are adorned with very unusual crystals formed from aragonite. The best known aragonite cave is Ochtinská...

Prohodna

There are many wonders in the world - see yourselves in this website! But sometimes even Wondermondo is surprised - does it really exist?...

Eisriesenwelt

The most impressive known ice cave in the world is Eisriesenwelt - a giant cave not too far from Salzburg. Total length of this...

Abismo Guy Collet

In one of the most legendary, remote and beautiful places of Brazil is located the deepest known cave in South America - Abismo Guy...

Sima Aonda

As if having world's tallest waterfall (see Angel Falls) is not enough, the spectacular Ayan Tepui has many more wonders of nature. Sima Aonda...