The Malaga Alcazaba is a palace and fortress built in the 11th century by the Hammudid dynasty.

Although it appears to be connected to the Gibralfaro fortress on the top of the hill, it can only be accessed from the lowest gate right beside the Roman theatre.

The walls of the Fortress Mount

Austria, April 2008

Tower at Chateaux Peryelade, 09

I wonder how many invasions were repelled by this?

Suwon Hwaseong Fortress

Приозерск. Крепость Корела. Круглая воротная башня Ларса Торстенссона. / Priozersk. Korela fortress. Round gate tower Lars Torstensson.

Space museum in St Peter and Paul Fortress

Wrights Hill fortress, Karori, Wellington, NZ (World War Two)

Askeran - Nagorno-Karabakh

Hohensalzburg Fortress in Salzach river glare

From my visit to the Theresienstadt concentration camp in 2010.

Suwon Hwaseong Fortress

A visit to the Fortress of Louisbourg in Cape Breton. The largest reconstructed 18th-century French fortified town in North America.

ZFW 2018 Day 2 Fortress

The castle is being renovated and a welcome center built which hasn't opened. What a neat place to visit . . . next time.

Akershus Fortress & Castle

Fortress Airsoft Fife CQB site walk-on day.

Luther translated the Bible into German at Wartburg fortress. And Wartburg was the place, where Elizabeth of Thuringia lived.

fortress at naarden, het gooi, the netherlands

Looking up at the walls of Kuelap Fortress in Northern Peru

Asenovgrad Fortress

Looking up to the Fortress at Ansouis, Provence, France

The only 17th Century Fortress in the United States, Castillo de San Marcos was built by the Spanish in the bastion system, which was very popular at the time. It's Star Fort design made it easily defendable. Today, it is a National Monument

Digital camera