This quirky countryside store is known for the goats that hang out and eat the grass on its roof.

This 14th century wine cellar is home to the oldest barrel-stored wine in the world.

The narrowest street in Paris.

An expansive complex of subterranean tunnels is all that remains of one of Europe's most formidable medieval fortresses.

A stone troll guards the hike that leads to this waterfall.

A controversial blue hoop has been puzzling freeway drivers since 2013.

The New Central Library is a masterpiece of contemporary architecture in the midst of downtown Calgary.

One of the last remaining buildings from one of Calgary's earliest businesses.

A six-person chapel in the middle of Alberta's badlands.

A rescue facility that caters specifically to wolf-dog hybrids, and educates about these unique animals.

This castle has links to Portugal’s founding and struggles for independence.

A windswept necropolis carved into the rocks overlooks the "most Portuguese town in Portugal."

In Portugal, a secluded stretch of untouched natural beauty hides at the bottom of a steep hill.

The verdant mossy ruins of a Franciscan monastery lie in the remote Sintra hills awaiting exploration.

This spooky statue sits outside a famous Prague theater.

San Diego's most historic and haunted home.

An ivy-covered arch bridge dedicated to Tejano music singer and legend Rosita Fernandez.

Three hundred years of preserved Spanish colonial history in San Antonio.

A 131-year-old wunderkammer of Texas history.

This medieval sanctuary's tree-framed door looks like a portal to a mythical realm.

A fantastical bed and breakfast with magically unique rooms.

At this unique farm, you can interact with adorable donkeys and view an ancient dolmen.

A prison with a more than 200-year history.

Tiny castle in the middle of the Rhine made you pay to pass.