Webum > Regional > Europe > Slovenia > Travel and Tourism Lodging Parks Show Caves@ Transportation@ Travel Guides Travel Services Wineries@ See also Regional > Europe > Travel and Tourism Krizna Cave A chain of twenty two underground lakes of crystal clear water. Postojna Cave, Slovenia Official home page of this natural wonder. Slovenian Tourist Board Official site including extensive information on tourism, accommodation, regions and news. Help build the biggest human edited directory on the internet Add your website - Open Directory Project - Become an editor