Stock royalty-free photos and images of Παρατηρητήριο

Chateau Konopiste at reflected in the water with two ducks in the foreground in Central Bohemia, Czech Republic

Border station of the former inner German borders between GDR and Germany at Eussenhausen

Ancient picturesque stone tower on the edge of a cliff in the Grand Canyon. Survey area. Deserted Viev. Arizona Tourist Attractions

An old army guard watchtower in Nitzana Israel.

Echo lakes near Zwierzyniec, Roztocze National Park. View from Green Velo bicycle route, the longest consistently marked cycle trail in Eastern Poland.

Historic Celts settlement. Old shack house in open-air museum Havranok in Slovakia

Anyksciai Treetop Walking Path, was the first canopy walkway constructed in Lithuania. It can be found in Anyksciai Regional Park, Lithuania.

Watchtower Zlaty Chlum in Jeseniky mountains in czech republic

Wooden observation tower on a background of blue sky. Bottom view

An external view of a big building inside Margat (Al-marqab) Castle in Baniyas, Syria.

Antique cast iron bells on a stone white watchtower belfry

Greece, Samothrace, ancient Gattelusi watchtower

High watchtower to protect the forest perimeter

A man on a wooden hunting tower for archery of wild animals in the forest against the blue sky

A high wooden lookout tower in the autumn forest

Watchtower at the Desert view - Grand Canyon

Two girls and a guy standing on the watchtower in the forest at autumn

The Maiden Tower and east wall of Devin castle from 9 - 15th century above the confluence of Danube and Morava rivers, Slovakia.

Detail of the trap of Scopello in Trapani

Remains of iron curtain with door inside wire fence in Czech republic

Part of the walls of the fortress under the snow, note shallow depth of field

Medieval Baba Vida Fortress at the coast of Danube river in town of Vidin, Bulgaria

Ruins of Torre Pozzelle An Antique Coastal Watchtower In a Colourful Sunset Ostuni Puglia Italy.

XVI Century Antique Defensive Tower Torre Guaceto At In The Middle Of A Natural Reserve Along The Coast Of Apulia Italy

Sea gulls on sunny sandy california beach, classic ferris wheel in amusement park on pier in Santa Monica pacific ocean resort. Summertime iconic view, symbol of Los Angeles, CA USA. Travel concept.

White rocks and ruined medieval castle in Olsztyn, Poland

Remains of iron curtain near border of Czech republic, Europe

The watch tower of a proson

Turret of Montjuic Castle against cloudy sky. Montjuic Castle is an old military fortress, built on top of Montjuic hill. Now it serves as a municipal facility.

Wooden fire watchtower construction details. forest tower

Grand Canyon, Utah, USA - July 27, 2016: The Grand Canyon. Views of the canyon, the landscape and nature.

View to the watchtower on prison museum in Latvia.

Wooden observation tower in nature park Lonjsko polje in Croatia

Lookout tower Hornik, built on one of rocky summit Straz, 782metres high mountain about Rokytnice town, Czechia

Ancient tower of Veniza_Attica_Greece

Devin Castle Low Angle View of Ruined Fortified Wall with Window and Blue Cloudy Sky at Background

XVI Century Antique Defensive Tower Torre Guaceto At In The Middle Of A Natural Reserve Along The Coast Of Apulia Italy

Ancient Saracen watch tower on the hill

Ruins of the old arabic fort, located in the town of Jalan Bani Bu Ali, Ash Sharqiyah Region, Sultanate of Oman

View of the tower and the electric fence system

View from bird watching tower next to the lake.

Historic Spanish lookout tower on fortress walls with clear blue sky

The courtyard of the Fortified Church Prejmer in Prejmer city in Romania

A tourist poses in an old fort watch tower located in Old San Juan Puerto Rico at the historic San Cristobal fortification.

Ancient Moorish Watchtower on the Costa del Sol, Spain

Desert View Watchtower Grand Canyon South rim, Arizona

Close up view of watchtower building details

Close up view of watchtower details and wooden bars

Landscape view of ancient Yangguan pass on the silk road in Gansu China. Chinese translation : Yangguan fire beacon tower.

Caucasus, Chechnya, Shira-Yurt. Chechen Republic. Germenchuk, the ethnographic complex "Shira-Yurt"

Alberese (GR), Italy - June 10, 2017: The beach in Uccellina Natural Reserve, Alberese, Grosseto, Tuscany, Italy, Europe

Tall wooden watchtower before blue sky

Ruins of San Telmo medieval watchtower over Santa Justa hermitage on the Atlantic shore in Ubiarco village in northern Spain

Castle over the water

Panoramic view of the valley close to the Mutianyu section from a tower of the Great Wall of China, surrounded by green and yellow vegetation under a cold morning light.

XVI Century Antique Defensive Tower Torre Guaceto At In The Middle Of A Natural Reserve Along The Coast Of Apulia Italy

Seagulls on the wall of the Tamarit tower surrounded by salt lagoons in Santa Pola, Alicante, Spain

White snowy landscape of Latvia in winter where you can see a large field that has reached with deep white fluffy snow and on it stands a large hunting tower built of wood

Bird observation tower ( Bird Watching Point) at the lake in Lake Eber, Afyon Province, Turkey.

Devin Castle Window View of Ruined Fortified Wall and Breathtaking Picturesque Blue Cloudy Sky at Background

Breendonk, Belgium, 22 July 2019. the national Memorial of the fortress of Breendonk, close up of a pole with bullet holes where those condemned to death were shot

Ruins of The capital city of the First Bulgarian Empire Fortress Pliska, Shumen Region, Bulgaria

The old Guard Tower on Alcatraz Penitentiary island, now a museum, in San Francisco, California, USA. A view of the watchtower and a staircase leading to the barracks, Building 64.

View of watchtower in Grand canyon with dry tree foreground, Arizona, USA

Neungamme, Germany, Hamburg - 9 April 2015 concentration camp in Germany

Wooden watchtower in Wdzydze Kiszewskie, seen from below

Modern Lookout Tower on Sibenik Hill, close to Novy Hradek village, Eagle,Orlicke, Mountains, Czech Republic.Column of the original wind power plant was used as the base of the observation tower.

Medieval Royal Castle in Olsztyn

Forest fire watch tower tall architectural lookout structure overlooking forest

Bird observation tower ( Bird Watching Point) at the lake in Lake Eber, Afyon Province, Turkey.

Khotyn Fortress Complex Ukrainian Hetman Petro Konashevych Sahaidachny Monument with Waving Ukraine Flag

The Chinese Wall at Jinshanling with Sunrise early in the Morning

Ancient pvlvts former estate of Countess Dzembovskoyi

Castle over the river

Chinese building arch diaolou stone mill

Bill Baggs State Park in Miami, Florida

The tower of Sa Sal Rossa in Ibiza at sunrise, Spain

Ancient watchtower ruin, mediterrean sea, Apulia, Italy

View from the historic slave watch tower in Manaca Iznaga, Valle de los Ingenios, Trinidad, Cuba

Desert View viewpoint and ancient stone wath tower. Famous landmark of Grand Canyon national park, Arizona, USA. South Rim

Historic watch tower and gorgeous view of Grand Canyon landscape in the Arizona desert

Beach in torremolinos, lifeguard tower on an empty beach,

Close up view of watchtower building details

Desert View Watchtower at the Grand Canyon, Arizona, USA

View of an old watchtower on the Mediterranean Sea in Palma de Mallorca, Spain

Old Abandoned Watchtower on the top of a Rock

Top view from the inside of the historic tower with ghosts coming down

The watchtower of San Juan protects the port of Ferrol

Shira Bena Yurt cultural and ethnographic complex Russian region, Chechen Republic, Caucasus Mountains

Caucasus, Chechnya, Shira-Yurt. Chechen Republic. Germenchuk, the ethnographic complex "Shira-Yurt"

Palanok castle and its large walls, the best castles in Ukraine

World heritage site and protected monument in Goa, India. Corjuem fort in Goa, India.

Secondary surveillance radar tower for tracking position of the aircraft behind the trees, sunny day with Blue sky background

Restored Khoi residential tower, XIV-XVI centuries on the territory of the settlement of the same name. On top of this tower is crowned with a solid masculum, wrap around it on all four sides

Stairs abstract illusion Escher's inspired background

Water tower covered with wild grapes in Askania Nova, Ukraine

Arrow hole in a ruined castle. View from it to the insides of the castle.

Watchtower Zlaty Chlum in Jeseniky mountains in czech republic

Flock of rooks standing at the snowy roof edge

Ancient pvlvts former estate of Countess Dzembovskoyi