At this archaeological site, visitors can explore the ruins of the capital of the former Roman province of Moesia.

This 14th century castle withstood years of battle but is now sliding off the hills into the Danube.

A giant portrait of an ancient king looms over the river.

A Roman monument to their own civil engineering prowess.

Stone age urban planning.

St. John the Baptist's forearm is housed in this remote 11th-century monastery.

Once a safe haven for locals engaged in blood feuds, this 400-year-old fortified tower is now a museum showing what life was like for those lying in wait within its walls.

A beautiful mountaintop mausoleum devoted to a Montenegrin icon can't seem to make everyone happy.

Mausoleum and Holy Seat of Antiochus I of Commagene.

These ruins by the Dead Sea is where John the Baptist met his untimely end.

Concentrated around the Dead Sea, these surprising canyons are filled with coursing water, fish, and even crabs.

An ancient capital city that dates back 3,000 years old and harbors many surprises.

The lost library of Alexandria, revived as a spearhead of cultural preservation.

These Egyptian statues have survived for 3,400 years and were an acoustic wonder of the ancient world.

One of its engravings is believed to be among the first representations of medical and surgical instruments.

The largest known Ancient Egyptian obelisk.

Ozymandias’ time-keeping temple.

A British general, a suggestive tree, a map of paradise.

Raging waters have created a strange geological site that looks like something off of a progressive rock album cover.

A sobering account of the vibrant multicultural neighborhood that was destroyed under apartheid.

This African beach is home to thousands of rare mainland penguins that are known for their annoying voice.

The Cape of Good Hope is not quite as low as you can go on the African continent, but it's still geographically significant.

This small monument marks the divide between the Atlantic and Indian Oceans at the southernmost tip of Africa.

A musical instrument played by the sea.