An alley covered with 20 years of bubble gum.

A hotel and restaurant serving as the mecca of kitsch.

This stretch of beach along California's central coast is a busy highway for the largest seal in the northern hemisphere.

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

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

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

The modern birthplace of Irish freedom.

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

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.

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

The ruins of an 800-year-old monastery boasts the tallest round tower in Ireland.

These murals stand as reminders to the troubled history of this Northern Ireland city.

It was once nicknamed "the most bombed hotel in Europe."

These barriers stand as stark reminders of Northern Ireland's troubled past.

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

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

A sacred well steeped in Pagan roots on the West Coast of Ireland.

Alexander Hamilton’s creation caused quite a bit of controversy.

This charming colonial alleyway is one of the oldest continuously used residential streets in the U.S.

Yo, Adrian!

This historic hotel invented the chocolate brownie.

Watch the newest land on the planet form before your eyes.

This black shoreline is made up of exploded lava particles.