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

Mortarless walls that stretch for miles are a lovely solution for creating grazing land in the harsh terrain of the Aran Islands.

A statue in the center of Dublin dedicated to one of their favorite sons of rock & roll.

A steam trawler with a whiskey-soaked history driven ashore in 1960 resides rusty but still standing on the shoreline.

The chaotic studio of one of the 20th century's most important artists has been preserved down to the dust.

The ruins of a medieval monastery named after a type of tree.

This controversial Irish show cave is home to a massive formation known as the Great Stalactite.

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

The ancient tomb acts as a calendar that keeps perfect time.

This permanent collection of preserved bodies taken from Irish bogs is one of the leading authorities on such morbid mummies.

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

These remote Florida islands have a history of sea turtles and sunken treasures, and one of the world’s largest coastal brick fortresses.

Images chiseled into the basalt here date back an estimated 300 years.

A series of waterfalls and pools that flow through the 'Ohe'o Gulch and into the ocean.

An abandoned cemetery lies in ruins as the surrounding forest swallows it whole.

At this site, two historic stone bridges spanning the Sing Sing Kill—one right on top of the other.

A museum dedicated to the history and exploration of both popular music and science fiction.

A beautiful footbridge with over 2,000 glass sculptures along the walls and ceiling.

Tasked with beautifying a disused stretch of industrial land one artist filled a hole with grass.

The final resting place of one of the most sensational guitar players of all time was created only after his father got the rights to his music.

Aqueducts have dramatically changed this old lake, now home to tufa towers and its very own species of tiny brine shrimp.

Eons old volcanic activity created one of the most stunning rock formations in the United States.

Eclectic collections, artwork, and some feline friends fill the writer's former home.

This old cement mine has been used as everything from a mushroom farm to a recording studio.