This no man's land slicing through the island is strewn with abandoned relics of another time.

The largest caravanserai in Cyprus also includes amazing examples of Ottoman architecture.

Rusted structures stand like ghosts of Cyprus' 6,000-year-old copper industry.

The ruins of a fifth-century church dedicated to Our Lady of the Harbor.

The ancient mosaics here are considered among the finest in the world, and serve as a stunning record of Greco-Roman daily life.

This sea stack in Cyprus is traditionally seen as the birthplace of the goddess Aphrodite.

The site of a prison camp where Cypriot resistance fighters were held in the 1950s.

While most shipwrecks are submerged, this ship in Cyprus ran ashore.

Legend holds that the Ancient Greek goddess of love once bathed in the waters of this grotto.

These abundant, over-the-top monuments are so widely scattered that they define the entire compact capital cityscape, often leading to jokes about whether there are more statues than residents.

This fortress dates back to the 6th century and is also the site of a controversial abandoned restoration project.

UNESCO-protected ancient burial ground.

A mountain pass in Bulgaria's Balkan Mountains was the site of four historic battles.

An abandoned saucer-shaped monument in the Bulgarian mountains.

A gigantic statue of a Russian soldier watches over the ancient city of Plovdiv, a prominent reminder of the Soviet period in Bulgaria.

This ancient theater, restored in the 20th century, lives on as a venue for dramatic and musical performances.

A spectacular Bulgarian cave resembling a devil's head with a waterfall rushing down its throat.

An homage to the medieval rulers of Bulgaria.

A decaying, yet still functioning, work of communist architecture.

Outstanding, eerie frescoes and decorations fill this 19th-century monastery.

A Soviet-style monument, built after transferring the remains of heroes from their graves.

Crossing a suspension bridge above a forest is the only way to reach this 12th-century monastery.

This massive concrete sculpture is said to be the heaviest communist monument on Earth.

These natural cliffs look like they are a part of an old castle complex.