Online Highways Home > Iowa > Dubuque City Map with Features Crystal Lake Cave The cave is three-quarters of a mile of well-lit passageways. There are intricate formations and an underground lake. This is one of the few caves in the country that contain formations known as athodites - a rare form of cave crystals. Competent & friendly tour guides lead visitors through this wondrous cave on an exciting half hour to 45 minute adventure. Guests are advised to bring a jacket as temperatures are 52 degrees Fahrenheit inside Crystal Lake Cave year around. Read reviews and find hotels in Dubuque. Location: US 52, Dubuque Iowa Telephone 319-556-6451 Other upcoming events include:

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trusted_iowa "Review of Asian Gourmet Restaurant restaurant in Dubuque on www.trustedopinion.com/review/1027121"
CMPhotog "I posted 36 photos on Facebook in the album "Dubuque Dance Christmas Recital" http://bit.ly/7MbsPH"
ajbrewer "The power is out here in the West End District in Dubuque. Apartment is a balmy 62 degrees and falling... Hard to sleep without white noise"
playsterdotorg "Dec 06 #dubuque #events Dubuque Symphony Orchestra - Holiday Pops Celebration... via http://www.playster.org"
Pezzettino "New Tour Date: Feb 1 Dubuque"
lorasathletics "Men's Basketball - Won 80-71 over University of Dubuque"
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KCRG "Dubuque's Bricktown out of Business: DUBUQUE - A popular bar and restaurant in Dubuque is closed, at least for now.... http://bit.ly/4HJ67I"
Hemlockworld "we are playing in dubuque iowa this thursday and in chicago on friday! come party with us!"
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