Possible Clues:

• Mathematical curve
• Copper in Sun turning up in this place
• Place American on mountain pass, returning
• Place that’s old, of course, periodically visited
• Place, in a legal sense
• A circle is the ____ of points equally far from a given point
• Base swear-word uttered in this place
• Leggy stripper fails to keep bottom in position
• Center of concentration
• Spot appearing when one with plague scratches bottom