Resava Fortress

North Macedonia

Rezinghe Castle

Belgium

Riniasa Castle / Thomokastro

Greece

Byzantine period

Rivarossa Castle

Italy

Rocca Ripesena

Italy

Rocca del Girifalco

Italy

Rocca di Sberna

Italy

Roccalberti Ruines

Italy

Rocchetta di Cesi

Italy

Rocchette Pannocchieschi

Italy

Rogle Fortress

North Macedonia

Roknabad castle

Iran

Romito Castle

Italy

Roncioni’s Castle

Italy

Rootsaert Castle

Belgium

Rosenkrantz palé

Norway

Rostam Castle, Khusf

Iran

Rudbar castle

Iran

Ruffo de Bonneval Castle

Belgium

Rufus Rand Mansion

the United States

Ruhya Fort

India

Ruine Raabeck

Austria

Ruins with visible structures

Ghana

Ruins with visible structures:

Ghana

Ruins with visible structures:

Ghana

Runcvoort Castle

Belgium

Runkelen Castle

Belgium

S.P.R

Iran

Sadarak Castle

Azerbaijan

Sadhaura Fort

India

Sadiya Rajgarh

India

Safavid Castle

Azerbaijan

Sagraberd

Armenia

Saheb Ekhtiarieh castle

Iran

Saint-Peters-Horne Castle

Belgium

Sajógalgóci Castle

Hungary