This Industrial Age architectural and engineering gem helps visitors and residents alike traverse Lisbon, “The City of Seven Hills.”

A monument built to commemorate the billionth barrel of oil extracted from the Seria oil field in Brunei.

One of the tallest buildings in Africa provides a great view of Johannesburg's unique geography.

After this one-of-a-kind palace was built the architect's hands are said to have been cut off to keep it that way.

Road signs in Namibia mark the location of one of the five major circles of latitude.

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

1% of Greenland's entire population used to live in this single building, which is now slated for demolition.

Naked scientists race around the pole in the frigid cold to try to join Antarctica's exclusive 300 Club.

One of the world's southernmost bars.

A 550-square-meter micro-nation off the coast of Britain.

This unique building in the main square stands out among the city's typically Baroque architecture.

Ride in 1960s style on the private luxury train Marshal Josip Tito used to travel around Yugoslavia.

Hundreds of thousands of concrete bunkers crowd Albania long after the fall of Communism.

An Albanian monument to the Communism that nearly crushed the country is now a crumbling wreck.

Ancient Manuscripts showcase the civilization of West Africans during the Middle Ages.