<form class="select">
    <select id="gowhere" style="background:none;border:none;" onchange="gotourl(this.value)">
      <?php
            $terms = get_terms("tribe_venue");
            $count = count($terms);
            if ( $count > 0 ){
                echo "<option value=\"#\">Choose a Location</option>";
                foreach ( $terms as $term ) {
                  echo "<option value='/blog/events/category/" . $term->slug . "/upcoming'>" . $term->name . "</option>";
                }
            }
        ?>
    </select>
</form>