Gustave Eiffel's masterpiece until the Eiffel Tower was built.

Single runway interrupted by a busy road that cuts across its middle.

This historic electric train has operated with regularity since the early 1900s.

Perhaps the most spectacular grotto along the Algarve coastline.

One Portuguese poet described this cape, the westernmost point in mainland Europe, as "where the land ends and the sea begins."

This unreal Portuguese palace looks as though it's made from a pile of different castles.

Construction of Barcelona’s iconic (but controversial) church was finally completed in 2026—a century after the death of its architect.

This mobile theater show highlights the story of Hershey through fun facts, unique stories, and plenty of candy samples.

This replica of a historic fishing shack long dubbed the most painted building in America.

Wood carving meets bird conservation at this museum showcasing the life's work of one man.

A massive sustainable farm designed by the mastermind behind Central Park.

A fragment of one of history’s most famous walls stands as a reminder of unity in a culturally divided city.

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

The atmospheric road was never meant to be so creepy.

The ruins of this medieval castle in Northern Ireland have inspired artists from C.S. Lewis to Led Zeppelin.

The statue honors a beloved bird that once roamed St. George's Market.

These engineering masterpieces are a dominant feature of the Belfast skyline.

An enigmatic monument to the Irish revolutionary who plotted an uprising against British rule.

The modern birthplace of Irish freedom.

This statue celebrating everyday life in Dublin has a few unsavory nicknames.

The comedy and tragedy of Oscar Wilde is preserved in a Dublin park, captured in a sculpture of colorful stone.

A museum marks and documents the site of the Titanic's launch.

The ship built to ferry passengers and goods to the doomed Titanic is now the last remaining White Star Line vessel.

For part of the year, this innovative greenhouse is painted white to keep the plants from getting scorched.