The most southern point you can drive to in the Western Hemisphere.

A neo-Gothic castle in the Argentinian countryside.

A toxic lake near a volcanic caldera that is home to flamingos and other life.

An Argentinian businessman facing terminal cancer built this whimsical medieval village using salvaged materials.

Museum housed in underground tunnels that date back to Buenos Aires's earliest settlements.

A gateway to a mysterious network of underground tunnels.

Stenciled handprints and wall paintings dating back 10,000 years, some of the earliest forms of cave art.

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

This stunning mass of ice spans 121 square miles and is still growing.

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

Low tide reveals an ocean bridge to an island full of art.

Rocks that take on the likenesses of several recognizable living entities crowd the Wang dong Rock Quarries.

Booksellers and public artworks fill this vibrant promenade along the disused railroad tracks.

This 317-ton walkable art installation is an homage to Korea's "City of Steel."

Explore the history of recorded sound at the world's third largest collection of Edison memorabilia.

Collected from all around Seoul, thousands of secondhand books create this photogenic tunnel.

The history of the plush toy and South Korea collected under one roof.

The toilet-shaped house of South Korea's sanitation pioneer is now a museum to the john.

A traditional village rooted in the Joseon Dynasty.

Home to more than 13,000 pieces of war memorabilia and military equipment.

This former coal mine has been turned into a sprawling modern art complex.

One man's lifetime collection of tiny objects of wisdom gathered from around the world, on display for public enjoyment.

One man and his wife have turned a barren Korean island into a fantastical botanical wonderland.

The abandoned hospital whose elaborate ghost stories cover up the dirty truth - an uneventful sanitation issue and other mundane reasons for its demise.