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

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

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

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

This neon landmark has been posing this deadpan question to follicly-challenged Dubliners for over 50 years.

The modern birthplace of Irish freedom.

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

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

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

This millstone commemorates a gruesome tale that may have been the source of the city's name.

This bridge's unique architecture honors nautical heritage and encourages self-awareness.

After this historic church was destroyed by World War II bombing, its blackened shell was left standing as a monument.

The unusual burial monument of Arizona's first governor.

Come for the pizza, stay for a performance on the world's largest theater pipe organ.

Every Christmas, one Arizona city makes the most of its dry climate by creating an arid desert tannenbaum.

This museum of Hawaiian and Polynesian culture is the legacy of the last descendant of the Kamehameha Dynasty.

Race through the maze, get your name on the sign.

What remains of the summer palace of King Kamehameha III.

A glimpse into the lives of the the Miwok and Paiute people in Yosemite National Park.

Four hundred granite steps were built into this massive rock by the National Park Service.

An historic and oft-filmed spot for musclebound iron pumpers on the Pacific coast.

The blinking light atop the iconic landmark has been sending secret messages for decades.

Every year, over 25,000 monarchs overwinter in Pacific Grove.

The space-age building is home to one of the few remaining rotating restaurants in America, and the only one that inspired a 1980s sitcom.