Despite finally receiving electricity in 1970, this tiny town is now deserted.

This mysterious, medieval cathedral remains unbuilt but fiercely protected.

This overlooked, beautiful convent hides an original Hieronymus Bosch among its many treasures.

The remains of an ancient settlement in one of the oldest archeological sites in South America.

It took 160 years to complete the most ornate church in Ecuador.

Ecuador's largest Incan ruins show evidence of sophisticated irrigation and diplomacy among the ancient builders.

One of the oldest lighthouses in the world has been in continuous use since it was first built in 1531.

Inside this medieval church resides a unique set of murals.

Walk along the medieval fortifications that have been protecting Tallinn since the 14th century.

This abandoned office building is a lasting example of Soviet-era architecture.

A spectacular Petrine Baroque summer palace commissioned for Catherine I by Peter the Great.

A medieval setting reimagined into a unique art alley.

Relics from an era long gone, sit idle outside this Estonian museum.

Rusted cars, trucks, and buses form a fascinating collection of Soviet-era machinery.

The oldest continuously operating pharmacy in Europe.

Only a fragment of this 15th-century Dance of Death survives today.

An empty relic of the Moscow Olympics crumbles away in Estonia's capital.

"There's nothing there," and other lies the KGB told us.

A Mayan village preserved for centuries in volcanic ash.

Ancient images hide within the park's caves.

A surprisingly large and sturdy ruin on the outskirts of a remote village.

According to one local legend, this image was created during a battle between a wild lioness and the archangel Michael.

Ethiopian standing stones featuring remarkably preserved carvings of swords and people.

The skeletal remains of the famous hominid "Lucy" were found at this spot.