Far from the shore, this sandy victim of the Skeleton Coast looks like it was plopped in the middle of the desert.

A desert that rolls right up to the ocean, where it's so dry animals live off the fog.

This "dead marsh" sits among the largest sand dunes in the world, a forest frozen in time.

Held in a fort that once stood for colonization of the area, this museum now tells the history of its indigenous people.

Ancient artists in the middle of nowhere.

This striking otherworldly landscape outside Angola's capital city is the product of millions of years of erosion.

Abandoned ships along a deserted beach feel like the set of a post-apocalyptic thriller.

Did Gustav Eiffel design this enigmatic metal building?

This horseshoe-shaped waterfall is the second-largest on the African continent.

This moss-covered, rocky outcropping looks like a mythical beast resting in the water.

A vast Communist-era exhibition space in the Bulgarian capital.

Within the Saudi Arabian desert lies a 2,000-year-old ghost town made of stone and mud.

The rocks around this mountain are filled with so many carvings that the area became known as the "open library."

More than 100 monumental tombs carved into rock are preserved at this ancient Nabataean site in the Arabian Desert.

An unfinished tomb carved into a giant boulder in the Arabian Desert.

This lonely minaret with an unusual decorative symbol is all that remains of a historic Ottoman mosque.

A futuristic, brutalist masterpiece that is also strangely prison-like.

An unfinished Serbian Orthodox church with 1,389 golden crosses planned to represent the Battle of Kosovo.

A 11-foot former president stands on a Kosovo street that also bears his name.

In the hometown of the Catholic saint and Nobel Peace Prize winner, a memorial dedicated to her legacy.

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.

A historical puzzle lies at the origins of this structure.

"Holy Wisdom" overlooks the city that became its namesake.