Tughlaqabad Fort is a ruined fort in Delhi, stretching across 6.5 km, built by Ghiyas-ud-din Tughlaq, the founder of Tughlaq dynasty, of the Delhi Sultanate of India in 1321, as he established the fifth historic city of Delhi, which was later abandoned in 1327. It lends its name to the nearby Tughlaqabad residential-commercial area as well as the Tughlaqabad Institutional Area

Daulatabad is a 14th century fort city in Maharashtra, India, about 16 kilometers northwest of Aurangabad. The place, was once as known as Deogiri, (circa the sixth century AD, when it was an important uplands city along caravan routes and is now but a village, based around the former city of the same name. The fort stands on a conical hill, about 200 meters high

The Ark is a massive fortress located in the city of Bukhara, Uzbekistan that was initially built and occupied around the 5th century AD. In addition to being a military structure, the Ark encompassed what was essentially a town that, during much of the fortress’ history, was inhabited by the various royal courts that held sway over the region surrounding Bukhara

Gwalior Fort in Gwalior, Madhya Pradesh, stands on an isolated rock, overlooking the Gwalior town, and contains a number of historic buildings. It was built in the 8th century. The fort provides a panoramic view of the old Gwalior town. Gwalior Fort also occupies a unique place in the human civilization as the place which has the first ever recorded use of zero.

The Bidar fort, constructed on the edge of the plateau, has a hapazhard quadrangular layout plan of 0.75 miles (1.21 km) in length and 0.5 miles (0.80 km) breadth. The peripheral length of the fort walls measure 4,500 yards (4,100 m). The walls, bastions, gates and barbicans of Bidar, though in ruins, are well preserved and considered as some of the most stylish in India.

Warangal Fort is situated 12 kilometers from Hanamkonda in Warangal city in Andhra Pradesh. It was constructed in the 13th century by the Kakatiya dynasty. Warangal is to the north east of Hyderabad, 150 kilometers from it. The two cities are linked by road and rail. Warangal Fort is in southern Warangal. The Fort, now in ruins, was once an impregnable fort in the state.

The fortress of Kufstein is a jewel in the lower region of Tyrol and a landmark of the district capital Kufstein. The fortress, owned by the bishops of Regensburg, was documented for the first time in 1205. In 1703 and 1805 the Bavarians conquered the fortress which again came into Austrian ownership in 1814. It has belonged to the city of Kufstein since 1924.

Chandragiri is a suburb located 14 km South of Tirupati in Andhra Pradesh. Chandragiri is famous for the historical fort, built in the 11th century, and the Raja Mahal (Palace) within it. The palace is three storeyed, is an example of Indo-Sarcen architecture of Vijayanagar period and is now an archeological museum. The crowning towers represents the Hindu architectural elements.

The Thirumayam fort, set in 40 acres, is of great historical importance. It was built by Sethupathi Vijaya Ragunatha Thevar, ruler of Ramanathapuram in AD 1687. Sethupathi is the name of the ruling dynasty of Ramanathapuram. Another fact of historic interest is that the founder of the princely state of Pudukkottai had served as governor of Thirumayam fort before founding his own kingdom.

Gingee Fort also known as Chenji or Jinji in Tamil Nadu, India is one of the few surviving forts in Tamil Nadu, India, which is more popular for its temples than forts. It lies in Villupuram District, 160 kms from the state capital, Chennai. So well fortified was this place that Shivaji ranked it as the “most impregnable fortress in India” and it was called the “Troy of the East” by the British.

The Lalitha Mahal is the second largest palace in Mysore. It is located near the Chamundi Hills, east of the city of Mysore in the Indian state of Karnataka. The palace was built in 1921 at the orders of Krishnaraja Wodeyar IV, the Maharaja of Mysore for the exclusive stay of the then Viceroy of India. The palace was fashioned on the lines of the St. Paul’s Cathedral in London and is one of the imposing structures of the Mysore city.

Eilean Donan Castle is located in Eilean Donan, a small island in Loch Duich in the western Highlands of Scotland. It is connected to the mainland by a footbridge and lies about half a mile from the village of Dornie. The original castle was built in the early 13th century as a defense against the Vikings. The castle is one of the most photographed monuments in Scotland and a popular venue for weddings and film locations.

The ruins of Alamparai Fort (also called Alampara) lie near Kadapakkam, a village 50 km from Mamallapuram on the land overlooking the sea. Constructed in the late 17th century during the Mughal era, the Alamparai Fort once had a 100-metre long dockyard stretching into the sea. Presently it is a picturesque and serene spot with backwaters and cool sand.

The Doraha Fort or Doraha Sarai is today popularly known as the RDB fort, is located some 20 kilometers from Ludhiana city. Located behind Gurdwara Manji Sahib in Doraha, half a kilometer from the National Highway 1, this ancient grandeur oozes legacy and grace out of its two double-storied gateways, which still stand intact.

Fort Totten is a former U.S. Army installation near Bayside, Queens in Queens County, New York. The property is now owned by the City of New York. Much of the fort has become a public park that provides a fascinating glimpse of New York’s past.The Fort Totten Visitor’s Center has been refurbished and houses a museum with exhibits about the history of Fort Totten.

Bekal Fort is the largest fort in the state of Kerala, India, spreading over 40 acres (160,000 m2). An important features of this fort are the water-tank with its flight of steps, the tunnel opening towards the south, the magazine for keeping ammunition and the broad and wide steps leading to the Observation Tower which is a rarity. From there one has ample view of towns in the vicinity