Hill fort: Did you mean...?

The remains of the east gate (porta principalis dextra) of Birdoswald fort, the best-preserved fort gateway on Hadrian's Wall.

Fort Mifflin, which, alongside Fort Mercer, defended the Delaware River during the American Revolutionary War (1775-1783). Painting by Seth Eastman, 1870. U.S. Army Center of Military History.

Aerial view of the Roman fort Apsarus, located in western Georgia, 15 kilometres (9.3 mi) south of Batumi near the Turkish border. Established on the left bank of the mouth of the Chorokhi River in the 1st century under Roman emperor Nero...

The Roman Limes fort at Holzhausen in Rhineland-Palatinate (Germany) is one of the best-preserved forts. It was erected in the mid-3rd century CE during the reign of Caracalla (r. 211-217 CE) and used until the abandonment of the limes in...

The peaceful, green Valley of the Boyne, just northwest of Dublin is the place to commune with the ancient soul of the Emerald Isle. This area boasts impressive historical and spiritual sights including the Hill of Tara—the evocative seat...

The north granary of Housesteads Roman Fort (Vercovicium). All Roman forts had granaries (horrea) to store sufficient supplies for the garrison and for soldiers out on campaign. The granaries of Housesteads Roman Fort are the most substantial...

Vetoniana is a Roman cohort camp near Pfünz in Bavaria, Germany. Probably constructed around 90 CE as a wooden and earth structure and later rebuilt in stone, Fort Vetoniana was garrisoned by a unit of 500 men, including some cavalry. Of...

The Aalen Roman Fort was a Roman military camp on the Upper Germanic-Rhaetian Limes, a World Heritage Site in Germany. It was built in the 2nd century CE and was the largest cavalry garrison north of the Alps. The garrison was home to 1,000...

Attack on the American garrison of Fort Washington by the British and Hessians, 16 November 1776. Watercolor by Thomas Davies, 1776. New York Public Library.

The New York and New Jersey Campaign (3 July 1776 to 3 January 1777) was a pivotal campaign waged during the American Revolutionary War (1775-1783) for control of New York City, the Hudson River, and the resource-rich state of New Jersey...