in the broader area of the pule estate, there are a number of natural attractions. as a special feature, let us mention the fifteenth parallel that runs through the town of trebnje, marked by a plaque with a clock showing the accurate central european time. the natural attractions include the mirna river and temenica river valleys, the latter is known as the longest slovenian blind valley, beautiful viewing points offering vast views and the solitary and serene valleys of laknice, bistrica and vejar.