A local tree surgeon has created a whimsical walk full of carved tree stumps near Scotland's Loch Lomond.

Amazing and mysterious Neolithic settlement on Scotland's Orkney Islands.

Barcelona's only remaining tram system takes riders to the Tibidabo funicular.

18th century anatomical amphitheater of the Royal College of Surgery of Barcelona.

Step inside the first house designed by Catalan architect Antoni Gaudí, considered to be one of the first Art Nouveau buildings.

Construction of Barcelona's iconic (but controversial) church is expected to be completed in 2026—a century after the death of its architect.