Authorities are still searching for escaped inmate Grant Hardin but have faced challenges due to the terrain and amount of ...

If you want to beat the crowds of the real Yosemite, consider this scenic, off-the-beaten-path bird and wildlife haven full ...

Sequoia National Park to resume guided tours in Crystal Cave this summer beginning May 23 after a four-year closure. There is a very small amount of marble compared to granite in the national park ...

In a corner of South Dakota, four presidents get a lot of attention. Mount Rushmore is the most visited National Memorial outside of Washington, DC. Visitors can spend several hours exploring the area ...

Pavlova is a Russian speleologist, or a scientist studying caves, and she was on a mission to map caves in the region. Dimas was enlisted to provide local knowledge and experience. The two joined ...

Crystal Cave includes more than 3 miles of surveyed passageways, carved by water over roughly a million years. Its temperature is a steady 50 degrees. Its walls are marble — not the granite that ...

Walking Rhode Island columnist John Kostrzewa and cave expert Michael Girard trekked to a cave in West Greenwich known over the years as "Indian Cave," "Witch's Cave" or "Witch Rock Cave.