- everipedia.org wiki/lang_en/HammershusCorfitz Ulfeldt and his wife Leonora Christina were imprisoned in Hammershus 1660–1661, and the fortress was used as a prison on several other occasions.
- visitdenmark.com denmark/plan-your-trip/…The visitor center is built so that it adds into the landscape about 200 m east of Hammershus and separated from the castle by a gorge.
- travel.sygic.com en/poi/hammershus-poi:10325Hammershus is a medieval era fortification at Hammeren on the northern tip of the Danish island of Bornholm.
- en-academic.com dic.nsf/enwiki/1707005In 1658, Hammershus was occupied by Swedish forces but a rebellion on the island terminated the Swedish rule.
- trip.com travel-guide/attraction/allinge/…Discover Hammershus in Allinge! See updated opening hours and read the latest reviews. Discover nearby hotels and dining for a perfect trip.
- wiki2.org en/HammershusVisitors to Hammershus have views of the coastline and the sea surrounding Bornholm. South of the castle is a deep valley, water filled hollows, and dense forest.
- floornature.com blog/hammershus-visitor-center-…The Hammershus Visitor Center is located in Bornholm, the large Danish island on the Baltic Sea with a long, illustrious history.
- toposmagazine.com new-visitor-centre-hammershus/The team of Arkitema, Buro Happold, and Professor Christoffer Harlang was chosen from 53 competition entries to design the new visitor centre for Hammershus...
- foursquare.com v/hammershus/…Photo taken at Hammershus by Jeanette P. on 8/23/2022. ... Photo taken at Hammershus by Monika H. on 8/15/2019. See all 85 photos.
- tr.wikitrps.com wiki/HammershusHammershus, esas olarak çeşitli Danimarka kralları ve Katolik Kilisesi arasındaki güç mücadeleleri hakkında olan son derece olaylı bir tarihe sahiptir.