Over time, this castle grew to encompass the entire island.

Once known as one of the finest tourist railways in Europe.

The name Niarbyl means “the tail” and refers to the rocky formations that push out into the Irish Sea.

A relatively obscure antihero from the Marvel Comics universe adorns a wall inside Iceland's main airport.

The largest underground lake in Europe.

The tradition of open-air secondhand and antiquarian bookselling in Paris dates back to the Renaissance.

This stately monument has been wearing a traffic cone hat for decades much to the delight of the locals.

A statue in the heart of Edinburgh honors a bear that served in the Polish military during World War II.

This Industrial Age architectural and engineering gem helps visitors and residents alike traverse Lisbon, “The City of Seven Hills.”

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

A 2017 crowdfunding campaign saved this historic castle from being destroyed.

Old ships and machinery fill a historic harbor in the city that's home to Europe's largest port.

Learn to drink tea like an Estonian at this museum.

Two beautiful Victorian-era parks replete with ornamental waterfalls and lakes.

Explore the complex ecology of this multifaceted nature preserve by riverboat.

A striking symbol of the Bulgarian capital.

If Hello Kitty were Mickey Mouse, this would be Disneyland.

A small island with shimmering pink sands, home to loggerhead turtles and rare plants.

This massive underground salt mine now holds a sci-fi theme park in its depths.

Something's watching you.

Japanese island famous for poison gas and fluffy bunnies.

The spectacular Roshen Fountain show lights up the night sky all summer long, until it "hibernates" under the ice waiting for spring to come.

A French valley with forests so lush it was nicknamed "the Small Amazonia of the Pyrenees."

This medieval castle overlooking the Elzbach river looks just like it did hundreds of years ago.