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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SursumXMachina "@sPatBateman I'm all too familiar with Dubuque, Iowa. And tractors? Oh yes. There are tractors."
KWWLSports "Dubuque Hempstead Advances 3-0 at State Tourney: Heidi Splinter had 20 kills, three aces and 10 digs to lead fo.. http://bit.ly/4hLsT9"
playsterdotorg "Nov 15 #dubuque #events Dubuque Symphony Orchestra - Beethoven Symphony Number 7... via http://www.playster.org"
Lucasentric "@marcmorehouse I'm sure your IQ is through the roof. Dubuqueans or is it Dubuquers? Well anyhow Dubuque-ites are natural intellectuals."
JohnNaughton "Class 3-A No. 1 Sioux City Heelan beat Dallas Center-Grimes 3-0. Waverly-Shell Rock leads Dubuque Wahlert 2-1 in the other quarterfinal."
KCRG "Dubuque Honors Vets with Riverside Memorial: DUBUQUE - Veterans who dedicated their lives to military service dedica... http://bit.ly/4CXbXz"
p_amlin "Busy day back and forth to Dubuque, then appliance shopping late in the afternoon, followed by...wait for it....CHINESE FOOD! yummmmm!"
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BVUAthletics "Football Faces Dubuque in Season Finale http://tinyurl.com/yhu62gc"
smlmeyer "Headed to Dubuque to get Modern Warfare 2 and some wings. They say you cant go back home, but here i go!"
angtweetsalot "Twenty five bucks less in my wallet. Oh Dubuque, you're no good for a girl like me."
KRNews0verviews "ud3ecuc2a4ud2b8: "North, South Korea clash at sea before Obama visit u2013 Dubuque Telegraph Herald" http://tinyurl.com/yhe2vzy"
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