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

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

The house where the writer spent his formative years.

The somber sculptures commemorating Irish Famine on the river Liffey in Dublin.

A spectacular hidden beach in Ireland has the dark, disturbing nickname of "Murder Hole Beach."

This ancient Irish religious site is covered in ancient carvings, many of which have barely aged.

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

Local legend says the remains of Father Christmas lie within the medieval grounds.

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

One of Ireland's most infamous prisons for rebels including men, women and children.

An Irish church where an 800-year-old mummy is reaching out of his coffin as if to shake hands.

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

Washington's iconic carousel has a nice piece of Civil Rights history.

An atomic bomb-proof strongbox protects the U.S. Constitution from terrorists and thieves.

Look closely and you’ll notice that the color changes a third of the way up the tower.

Perhaps the most scandalous statue of America's first president.

The site of the climactic scene from the classic horror film is now a historic landmark.

A three-story tower of books about Abraham Lincoln is one of the more unusual monuments to the president.

The unique traffic pattern named for an influential urban planner is also known as the Pedestrian Scramble.

The word "Watergate" will forever be associated with the infamous scandal in 1972, but this fountain is famous in its own right.

The first purpose-built art gallery in the United States is once again open as a center of craft arts.

The winding route passes through an enclosed alleyway, two tunnels, and leads to the White House basement.

A rotating cast of guys and dolls in front of a Washington, D.C. building.

A gorgeous mural outside a beloved D.C. restaurant pays homage to famous Black Americans.