Landskron Castle is a ruined medieval hill fortress northeast of Villach, sitting atop a prominent ridge with sweeping views over the city and the Ossiacher See below. The castle dates from the 12th century and passed through multiple owners before a fire in the early 19th century left it as the romantically crumbled ruin visible today. The grounds are open to visitors and the walk up from the car park takes about 20 minutes through shaded forest.
The castle is home to one of Austria's best-known falconry shows, the Adler Arena Landskron, where eagles, vultures, and falcons fly daily demonstrations from April through October. The shows are genuinely impressive — the birds are flown free over the open hillside, not confined to a small arena — and the combination of castle ruins, panoramic views, and live raptors makes it a worthwhile stop, especially with children. The castle also houses a small monkey sanctuary. The views from the walls over the Villach basin and the lakes beyond are among the best in the region.