The Haiku Stairs have been illegal to climb since the 1980s, but that hasn't stopped thousands of hikers from venturing there.

Case in point: the Estrella Star Tower. Designed by local astronomer Steven Kates, the spiral-shaped structure stands at the entrance to a Goodyear neighborhood, surrounded by trees, cactuses and ...

In spite of the arrests and citations shelled out to those trespassing on Oahu's closed Stairway to Heaven, hikers continue ...