Depending on how it is measured, this lighthouse can claim to be the tallest in Europe and the tallest conventional lighthouse in the world.

This jellyfish provides clean water for an entire Dutch province.

A guitar mounted on a wall in Temple Bar honors the Irish musician.

Dublin's "Dead Zoo" serves as a window to Victorian museum design.

This museum is dedicated to the most famous Irish writers in history.

Designed to commemorate the king's coronation.

A former fortified tower now houses a collection of classic communications equipment.

The house where the writer spent his formative years.

The 19th-century pharmacy (now a used bookstore) was featured in James Joyce’s "Ulysses," and has changed very little to this day.

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

Explore the five senses depicted on this protruding Gothic window.

A mysterious plaque to the even more mysterious "Fr. Pat Noise," killed in "suspicious circumstances."

These gigantic skeletons tower over visitors and provide insight into the creatures that once ruled over Ireland.

The enchanting archway is the only surviving portal into Dublin’s lost medieval wall.

An 80-year-old plane tree is devouring an iron bench at Ireland's oldest law school.

Dublin's most modern, visually spectacular bridge is modeled after Ireland's national emblem.

This gate served as a small lock-up jail in the 14th century.

This Dresden church was purposely rebuilt Protestant after being demolished in World War II.

At this cemetery, artists are invited to design their own gravestones.

One man's journey to return a stone to its point of origin after 200,000 years.

A helicopter memorial commemorating what was once the only way to access this West Berlin exclave.

Browse through a century of this principality's first popular export.

This modest relic, with rich history as a strategic fort through multiple eras.

Arguably Belgrade's only example of pure Art Deco architecture.