The Sacro Bosco was created in the sixteenth century for Pier Francesco 'Vicino' Orsini as an intentionally disorienting alternative to the balanced geometry of formal Renaissance gardens. Paths descend through woodland toward monumental figures carved directly from local volcanic stone: dragons, giants, sea creatures, a leaning house, and the famous open-mouthed Orcus. The park is open almost every day of the year and is designed as a walking experience rather than a quick monument stop. Official 2026 visitor information lists adult admission at EUR 15 and children aged 4-13 at EUR 9. The route contains slopes, stairs, and uneven paths; only about ten percent of the monumental area is accessible to visitors with walking difficulties. Dogs cannot enter the sculpture park, though free kennels are available at the entrance.