This century-old cinema is complete with musical interludes and boasts a rare projection system.

This vintage gem is one of the oldest surviving purpose-built movie palaces in Scotland.

Designed in the Romanesque style, this structure was once a fortress monastery.

This tidal island, a sacred site in early English Christianity, was the target of a notable Viking invasion.

Explore an eerie, abandoned medieval citadel.

A palace-fortress ruin in Indonesia complete with legends of two magical tigers, eight bathing angels, and a wish-granting cannon.

On the outskirts of the small village, an abandoned grassy field glitters thanks to the white stones of an ancient structure.

Mosques carved from coral and dozens of well-preserved stone structures fill this 500-year-old Swahili trading center.

This lakeside bunker complex in Mamerki, Poland, housed the Supreme Military Command of Nazi Germany during World War II.

The center of this Polish border town was so thoroughly wiped out in World War II that only the foundations remain.

This formerly-prosperous Silesian mining town was completely demolished in the late 1960s and early 1970s as an attempt to cover up a secret Soviet uranium mine.

This elaborate stone bridge over the Neisse river has sat in pieces since 1945.

Built in a perfect square, this archaeological site is one of the largest and best preserved ancient fortifications in India.

These hilltop ruins of a forgotten Buddhist monastery flourished in Antiquity from trade with the Roman Empire.

All that remains of a sugar mill destroyed during the War of Independence of 1895.

After years of slow decline, a derelict Gothic castle is now being restored to life.

An abandoned pasta factory in the centre of Bucharest, once home to Bulgarian revolutionaries and a hub of crime.

Ireland's most northerly island is hauntingly beautiful. Its lighthouse was the last glimpse of home for many Irish emigrants bound for the U.S.

These courts are the only ones of their kind in the world, made for a unique ball game that dates back to the 1700s.

A once-beautiful retreat is now a crumbling ruin.

The legendary cliffside castle of three-time Voivode of Wallachia, Vlad the Impaler.

The gloomy ruins that inspired Bram Stoker to bring Dracula to life.

The remains of a grand castle that may have inspired Bram Stoker's Dracula.

Believed to be the capital of the the ancient kingdom of Dál Riata.