A miniature world of concrete and stone in Springfield, Ohio.

A headstone tells the sad story of a lost little boy and his pet dog.

Legacy of the earthquake that nearly wiped Lisbon off the face of the Earth.

The world's oldest bookshop still in operation.

Eat the ultimate iteration of Portugal's most beloved pastry.

Elaborately carved to showcase the glorious wealth that the age of exploration brought to the Portuguese empire.

This museum contains a vast array of puppets and marionettes from all over the world, featuring incredible works by Portuguese creators.

In the Monastery of São Vicente resides a gallery devoted to a breathtaking collection of seashells.

Get in line for Lisbon’s most famous sandwich.

Glass and concrete building designed by Albert Kahn.

A record-size collection of wild-haired troll dolls tells the story of the mythical creature's roots in Scandinavian folklore.

The house that Frank Lloyd Wright "(shook) out of his sleeve at will" at the age of 86.

Could it have picked a better place to land?

An 18th-century Catholic church converted into an eccentric temple of music and bacchanalia.

Within this beautiful Pittsburgh cemetery, a unique headstone bears witness to one man's eternal love for Jaws.

A quiet, gothic haven nestled between Pittsburgh's Squirrel Hill and Point Breeze neighborhoods.

The Master of Magnetism dominates the walls of a scrap metal yard to keep graffiti artists at bay.

Found art has transformed this Pittsburgh neighborhood into a psychedelic dream.

This Old Testament garden features 100 plants from biblical times.

Once the most painted on object in the world, this short campus fence is well on its way to being so again.

This quarter-mile tunnel under the Bluff in Pittsburgh bends at a 45-degree angle.

Considered by many to be one of the most dangerous highways in Alaska.

The king of U.S. high points towers over every other peak on the continent.

A high school astronomy enthusiast designed this model of our solar system to be traversed on foot.