The world's most remote airport.

The rusty hull of this 1899 ship serves as a tribute to explorers of the bottom of the world.

You can swim in these highly salty, mesmerizingly blue lakes in the Atacama Desert.

This large round boulder is said to emit spiritual power, but it may just be magnets.

The largest geyser field in the southern hemisphere is a spectacular sight.

The largest stone moai on Rapa Nui.

105-foot wide giant metallic flower blooms anew every day in the heart of Buenos Aires.

A tower devoted to — and modeled after — the Divine Comedy.

Buenos Aires' city of the dead contains some very famous remains, including Eva Perón.

A series of waterfalls so massive they straddle the border of Argentina and Brazil.

This historic, palatial theater is now one of the world’s most beautiful bookstores.

The great polar explorer is remembered in this far northern town, where he embarked on his final expedition.

This functioning parish church is also the site of many concert performances due to its wonderful acoustics.

At this Arctic outpost, get to know members of the indigenous Sámi community and meet their herds.

Named after the Goddess of Harvests, Annapurna is the deadliest member of the Eight-thousanders club.

Slum Settlement Filled With Mountains of Garbage.

The medieval center of the Islamic world was also once the seat of Saladin's sultanate.

Standing atop 2nd-century Roman ruins, this church is one of the oldest and most iconic in Old Cairo.

This unassuming tree stump reportedly traces its roots to the famous pharaoh queen's reign.

Ancient Egyptian relief, claimed to depict an electrical light.

In Egypt's expanding metro area, many of the neighbors are dead.

The largest known Ancient Egyptian obelisk.

The massive cave church of Cairo's Zabbaleen community is one of the largest Christian churches in the Middle East.

One of the most well-preserved temples of ancient Egypt.