Boulder United States

Boulder is a city in Colorado (CO), United States

In geology, a boulder is a rock fragment with size greater than 25.6 centimetres (10.1 in) in diameter. Smaller pieces are called cobbles and pebbles. While a boulder may be small enough to move or roll manually, others are extremely massive. In common usage, a boulder is too large for a person to move. Smaller boulders are usually just called rocks or stones. The word boulder is short for boulder stone, from Middle English bulderston or Swedish bullersten.

Top sights in Boulder
Heil Valley Ranch 40.162459 / -105.307265
Emma Gomez Martinez Park 40.017648 / -105.268305
Legion Park 40.014745 / -105.188859
Goose Creek Greenway 40.026394 / -105.255686
James F. Bailey Assay Office Museum 40.039525 / -105.393154
Settembre Cellars 40.062872 / -105.279058
Beertooth Tasting Society 40.069707 / -105.202989
Andrews Arboretum 40.012371 / -105.277880
Underwater Fish Observatory 40.011673 / -105.260558
Mary Williams Fine Arts 40.018111 / -105.229435
National Institute Of Standards And Technology 39.992795 / -105.263335
Collage Children'S Museum 39.992795 / -105.263335
Phil Lewis Art - Studio & Gallery 40.019970 / -105.268624
Rowdy Mermaid 40.025732 / -105.251542
Heil Valley Ranch Trail 40.162459 / -105.307265
Deviant Spirits 40.023162 / -105.237694
Upstart Crow Theatre Company 40.014867 / -105.267129
Henderson Museum 36.010117 / -114.945430
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