Schalun Castle, also known colloquially as Wildschloss, was constructed probably during the second half of the 12th century or around the turn of the 12th century. The first written record about the castle comes from 1237. In it, it was also first referred to by name, as 'Schalun'. Archeological digs made in recent decades have revealed only small amounts of artefacts from the medieval and early modern period, suggesting that the castle might have been cleared and burned down at a later point in its history. In the 18th century, the castle came into the possession of the then Prince Regnant of Liechtenstein. The ownership of the castle ruin was handed over to the Municipality of Vaduz in 1933. Today, the best preserved parts of the castle are its grand hall and the remaining section of its keep.References:
The Baths of Caracalla were the second largest Roman public baths, or thermae, in Rome. It was built between AD 212 and 217, during the reigns of Septimius Severus and Caracalla. They would have had to install over 2,000t of material every day for six years in order to complete it in this time.
The baths remained in use until the 6th century when the complex was taken by the Ostrogoths during the Gothic War, at which time the hydraulic installations were destroyed. The bath was free and open to the public. The earthquake of 847 destroyed much of the building, along with many other Roman structures.
The building was heated by a hypocaust, a system of burning coal and wood underneath the ground to heat water provided by a dedicated aqueduct. It was in use up to the 19th century. The Aqua Antoniniana aqueduct, a branch of the earlier Aqua Marcia, by Caracalla was specifically built to serve the baths. It was most likely reconstructed by Garbrecht and Manderscheid to its current place.
In the 19th and early 20th century, the design of the baths was used as the inspiration for several modern structures, including St George's Hall in Liverpool and the original Pennsylvania Station in New York City. At the 1960 Summer Olympics, the venue hosted the gymnastics events.