Red Rock - Credit: Wikimedia Commons
Red Rock - Credit: Wikimedia Commons
Red Rock is a rock formation in south-central Wyoming that was used by travelers on the Overland Trail to record signature inscriptions from passersby. The wind-smoothed red rock stands about high and has a circumference of about . The sandstone formation records signatures dating to at least the 1850s. The signatures on the upwind side of the rock have weathered to faint traces. The rock is on privately owned land. Read more on Wikipedia
Source: en.wikipedia.org