The remains of a famous sycamore tree, which stood on Britain’s Roman-built Hadrian’s Wall in northern England for more than ...

A nearly seven-foot piece of trunk will be featured in an art exhibit to honor the beloved tree. Hugging it is encouraged.

Located in a strange lunar landscape of great geological interest, this site has one of the most important groupings of prehistoric cave art in the world. More than 15,000 drawings and engravings ...