Stock royalty-free photos and images of Impregnable

Observation deck in Aledo castle. Totana. Murcia. Spain.

Karelia, Russia. View of the Solovetsky Monastery from the welfare bay. Fortress of large boulders

Beilstein is located on the Moselle River. This tiny town of wine called "Sleeping Beauty on the Moselle." Time here seems to have stopped. Surprisingly Beilstein has preserved its charming medieval aspect. The whole town is protected as an ancient m

Majestic girl in a red scarf

Wooden fence made of sharpened planed logs

Medieval castle in Europe on the sunset, aerial photo

Impregnable mathematics. Crazy student expression

Impregnable mathematics. Crazy mathematics formulas

Imposing fortress standing on rocky hill above surrounding plains. Chittaugarh Rajasthan India.

The ancient buildings of the town-fortress Valletta, capital of Malta.

Desert fortress on a hill

Ancient Predjama Castle in Postojna Cave, Slovenia

Impregnable blue metallic opened vault with sky render illustration

The photo was taken in the old German city of Straubing. The picture shows the decoration of the old door leading to the chapel.

Texture of ancient metal gate in Belgrade, Serbia

Impregnable medieval rock castle Sloup from the 13th century with Castle pond in northern Bohemia, Czech Republic

Detail of the impregnable medieval rock castle Sloup from the 13th century with Castle pond in northern Bohemia, Czech Republic

Rusty steel with rivets, loophole and barbed wire

Ruinas de Fuerte San Vicente. Nirgua edo Yaracuy venezuela Ruined structure, Ancient stone or rock, San Vicente, Yaracuy state

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The medieval castle of the counts of Flanders Gravensteen, view from the river.Scenic panorama of the old fortress, reflected in the water, the ancient castle Gravensteen, Ghent, Belgium

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ALEDO CASTLE. Totana. Murcia. Spain. April 11, 2019.

Fort of Exille val di Susa Turin Italy

Fort of Exille val di Susa Turin Italy

Fort of Exille val di Susa Turin Italy

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Oslo, Norway, 12.03.2019. The gate under the bridge of Akershus castle in Oslo, an impregnable medieval Scandinavian fortress

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View of the street of the fortress city of Monemvasia (Laconia, Greece, Peloponnese) on a small island on a sunny summer day

View of fortified town Monemvasia (Laconia, Greece, Peloponnese) on a small island on a sunny summer day

Ancient, historic Saint Peter Tower (Andros Island, Cyclades, Greece) of layered slate close-up, towering over the valley of Gavrio in spring, sunny day

View of the street of the fortress city of Monemvasia (Laconia, Greece, Peloponnese) on a small island on a sunny summer day

Outdoors museum. The medieval, Byzantine city Mystras (fragments) near town Sparta on an autumn sunny day (Greece, Peloponnese)

Outdoors museum. The medieval, Byzantine city Mystras (fragments) near town Sparta on an autumn sunny day (Greece, Peloponnese)

View of the street of the fortress city of Monemvasia (Laconia, Greece, Peloponnese) on a small island on a sunny summer day

Outdoors museum. The medieval, Byzantine city Mystras (fragments) near town Sparta on an autumn sunny day (Greece, Peloponnese)

View of the street of the fortress city of Monemvasia (Laconia, Greece, Peloponnese) on a small island on a sunny summer day

View of fragment of the Upper Castle or the Castle of Faneromeni, and mountains from a height on a spring day (Andros Island, Greece, Cyclades)

Lenzburg Castle on the Schlossberg under a dramatic, gloomy and spooky sky in the Gothic and Baroque architectural style.

Old fort surrounded by water and greenery

Predjama Castle, situated in the middle of a cliff near Postojna Cave, is the largest cave castle in the world. Under the fortress there is picturesque cave full of bats.

Kuressaare Castle, watchtower and wooden windmill in the middle. Saaremaa Island, Estonia.

Stone walls with arches of the castle of Saint Hilarion against a blue sky with clouds. The mountains of Cyprus and the view down to Kyrenia and the Mediterranean sea. Cyprus.

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Aerial view of Sloup Castle in Northern Bohemia, Czechia. Sloup rock castle in the small town of Sloup v Cechach, in the Liberec Region, north Bohemia, Czech Republic.

Aerial view of Sloup Castle in Northern Bohemia, Czechia. Sloup rock castle in the small town of Sloup v Cechach, in the Liberec Region, north Bohemia, Czech Republic.

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Stone walls of the castle of Saint Hilarion. Below you can see Kyrenia and the Mediterranean sea. Cyprus.

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View of the rocky peak of Mount Fisht in the Caucasus from the slope of Mount Oshten

Handwriting text writing Stay Safe. Conceptual photo secure from threat of danger, harm or place to keep articles Rolled ripped torn cardboard placed above a wooden classic table backdrop

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Fortress wall and tower Oryol (Gorodetskaya). Smolensk. Russia

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Brescia Castle, protective walls and tower in a beautiful sunny day

Brescia Castle, protective walls and tower in a beautiful sunny day

Brescia Castle, protective walls and tower in a beautiful sunny day

Vardzia, the cave monastery in Georgia

Aerial view of Sloup Castle in Northern Bohemia, Czechia. Sloup rock castle in the small town of Sloup v Cechach, in the Liberec Region, north Bohemia, Czech Republic.

A rebuilt block house used as protection against approaching enemies in the early pioneer era.

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Conceptual caption Sustainable Development, Business showcase the ability to be sustained, supported, upheld, or confirmed

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Bunker. Underground bunker. Bunker. Bunker floor plan. Bunker floor plan. 3D illustration.

Medieval Castle High on Cliff on Corsica

Famous medieval cave castle in Predjama, Slovenia

This landscape photo was taken in Asia, India, Rajasthan, Jaisalmer, Summer. We see The desert, under the Sun.

Alpine mountains and Turin landscape seen from the Canavese valleys. High quality photo

La Rochelle, Tower of the Chain, Tour de la chaîne. (Charente-Maritime) France

Entrance of the Port of La Rochelle, fortifications and flags (Charente-Maritime France)

Invulnerable walls and advantageous location made fortress impregnable

A protective fence made of logs with sharp upper ends, used in ancient Russia to protect against enemies. Traditional old Russian wooden construction of houses.

Majestic girl in a red scarf

A fence made of sharpened pointed logs