This house is one of the most colorful in the country, and is the last remaining example of a historic villa.

The busy transport hub is home to the tallest airport slide in the world.

You can see three Irish counties from this Neolithic hillside fort, once the seat of the Kingdom of Ailech.

These murals stand as reminders to the troubled history of this Northern Ireland city.

Despite the name, this 16th-century structure in Galway wasn't built by the Spanish.

This single room has survived the centuries with almost no deterioration.

Ireland's most remarkable collection of these curious cone-shaped houses is worth the buzz.

Traveling this mountain pass reveals quaint stone buildings, stunning Irish scenery, and a bridge said to grant wishes.

The gorgeous library at Trinity College is home to remarkable treasures of Irish identity.

For over 300 years this little carving has been the city’s good luck charm.

Lyon, France is home to two remarkably preserved Roman theaters, one dating back to 15 BCE.

The attic of a four-century-old canal house hides a clandestine church.

Located inside Hoge Veluwe National Park, this museum began as the private collection of a prominent female art collector.

This institution has been serving up some of the best pancakes in the Netherlands for over a century.

This 11th-century castle sits so low you can't see it behind the surrounding buildings.

This historic bridge connects Whidbey Island to Fidalgo Island across whirlpool-filled waters.

This landmark vessel dry-berthed in Tacoma's harbor served in emergencies and ceremonies for more than 50 years.

A Roman holiday is closer than you think when you use this 1916 staircase inspired by Rome's Piazza di Spagna.

A narrow fjord-like lake, the third-deepest in the United States, runs for over 50 miles into the Cascades of Washington state.

This municipal sundial has been keeping time along Tacoma's Commencement Bay since 1978.

Slip in a slide while waiting for the ferry.

A massive environmental project transformed this former smelter into a beautiful park.

A graveyard for early settlers, sometimes called Old Pioneer Cemetery, hidden in the woods on a hillside.

This impressively large collection includes crackers shaped like Jimmy Carter, Mickey Mouse, and more.