Forts

In its day this historic fort held 100 cannons pointed in almost every direction to protect New York.

This beautifully historic Bahrain fortress might not be the most popular attraction around, but that might make it all the better.

This castle-fortress is a living example of the transition from medieval defenses to modern fortifications.

One of the only Florida forts to remain in the hands of the Union all through the Civil War still stands as a historic stronghold.

This secret Swiss fortress is disguised as a harmless pink house, complete with fake windows.

This ruined fort hidden at the top of Central Park can't seem to keep from losing its historical plaques.

This abandoned sea fort has become an accidental bird sanctuary.

The remnants of the fortress that saved Georgia from the Spanish still stand guard on their swampy island.

The crumbling ruins of this southern American fort have survived storms, war, and cults.

Pirates had to be ousted from the land where this now ruined Louisiana fortress was built.

A Civil War fort in the middle of Washington, D.C. has been swallowed by a forest.

This abandoned Civil War fortress is slowly being swallowed by the waters of Lake Borgne.

Anyone wanting to know what a dwarven mine sounds like need only visit the tunnels of this New Zealand artillery compound.

This sprawling Belgian fort was once thought of as impenetrable but now it is simply an abandoned relic.

This historical Netherlands fortress still bears the marks of its single siege.

This mysterious abandoned fort looks like something pulled right from Arabian legend.

A lone gunner's station is all that remains of a replica Spanish Fort in Florida.