Forts

Before becoming a public park, this spot was a shell midden, a fort, and an amusement park.

The airport was once a Civil War battleground, and the earthwork defenses can still be seen today.

The Thai Army has dug deep trenches along the Thai/Myanmar border to prevent drug smuggling.

Legend tells how a Spanish soldier disappeared from this isolated sentry box without a trace.

One of the highest Roman forts in Britain is set amid dramatic scenery on a notoriously difficult road.

An ancient pagan site swirling with legends in the foothills of Franconian Switzerland.

This triumphal arch celebrating the Sun King's conquest of Lille is a masterpiece of military architecture.

This colonial fort is an intriguing example of Renaissance military architecture.

This remote fort on the Yukon River is a vestige of the wild Alaska gold rush.

This pink watchtower served as the seat of the Greek government after independence from the Turks.

This opulent 16th-century Maharaja’s palace is a unique mix of Hindu and Muslim designs.

A former bastion of Rajput chivalry, this massive hill fort is the site of legend and tragedy.

The Swedish flag over this small naval fort signals that the nation is at peace.

The evocative ruins of a 1,000-year-old hill fort lie within a popular tiger reserve.

The oldest still-inhabited hill fort in India looks like a magnificent golden sandcastle.

This stunning 15th-century royal hill fort preserves the age of chivalry in Rajasthan.

A fresco in this magnificent palace is said to have been the first depiction of the Taj Mahal's design.

This star-shaped artillery fort protected the mouth of the Thames from the 16th century to the Second World War.