Tharp's Log - Credit: Wikimedia Commons
Tharp's Log is a hollowed giant sequoia (Sequoiadendron giganteum) log at Log Meadow in the Giant Forest grove of Sequoia National Park that was used as a shelter by early pioneers. The log is named after Hale D. Tharp, who was described as the first Non-Native American to enter the Giant Forest. Read more on Wikipedia
Source: en.wikipedia.org