Massive rock sculptures formed during the time of the dinosaurs still stand undisturbed.

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

A neo-Gothic castle in the Argentinian countryside.

A bright little alley in La Boca is a part of tango history.

A gateway to a mysterious network of underground tunnels.

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

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

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 haunting "Hell House Altar" is one of the few remnants of an abandoned college that has been a magnet for local legends.

A historic covered bridge is but one example of an oddly prevalent American urban legend.

This Pennsylvania cave holds evidence of the oldest known inhabitants of North America.

The oldest farmer's market in America is so ancient it was approved by the King of England.

Pennsylvanian mass grave and possibly mass murder.

The Home and murder site of the witch of Rehmeyers Hollow.

This palatial botanical garden is home to one of the largest pipe organs ever installed in a private residence, and a piece of Wood's cycad.

Dodge prohibitionists and slide through the telephone booth in Crif Dogs.

A treasure trove of artifacts, books, and artwork from the "golden age" of exploration.

Tucked in the back of this amazing antique store is an important piece of medical history.

A magical place that lets you play in and explore the world of Studio Ghibli.

A stone arch leads to a cavernous 1930s spring house tucked away in the Pennsylvania woods.

Philadelphia boasts one of the best — and most often overlooked — traditional Japanese gardens in North America.

Home to a vast and influential collection of Shakespeareana.