Motion Warning. This video includes abrupt camera movement or other effects. Stop viewing immediately if you feel discomfort.
New: AI passthrough!
This amazing Deo feature uses the power of AI to turn every VR scene into AR passthrough! Now you can take characters out of VR and have them right there with you - as if they were in the same room.
Notice: AI Passthrough is presently in beta mode, and as such, users may encounter occasional service imperfections. The feature is currently exclusive to the DeoVR app, but it will soon be accessible on both browsers and mobile devices. Your feedback is highly encouraged and appreciated.
Recommended headsets:
Meta Quest 3, and Quest Pro with stereoscopic color passthrough, Pico 4 (monoscopic color passthrough).
Compatible headsets:
Quest 2, Valve Index (monoscopic black and white passthrough).
Passthrough is not compatible yet for Oculus Link cable.
Check out our complete guide to passthrough and join in the discussion at our busy forum.
Originally constructed during the Joseon Dynasty and later fortified in the 17th century, the fortress once served as an emergency capital during times of invasion. Today, its stone walls stretch for kilometers across peaks and valleys, forming one of Korea’s most impressive defensive landscapes.
Designated as a UNESCO World Heritage Site, Namhansanseong represents a rare fusion of military architecture, natural topography, and historical resilience. Gates, command posts, temples, and watchtowers remain preserved along the mountain paths.
Walking along the fortress walls feels like stepping into layered time — ancient stone beneath your feet, Seoul’s skyline in the distance, and forest wind moving through the pines.
In spring, cherry blossoms soften the historic walls. In autumn, fiery foliage surrounds the fortress with dramatic color. Even in winter, snow resting on the stone ramparts creates a quiet, cinematic scene.
More than a hiking destination, Namhansanseong is a journey into Korea’s historical identity — a place where landscape and legacy rise together above the city.