Golden Gate Park's historic collection of plants.

Carnivorous plants, medieval aphrodisiacs, and the largest original wood structure glass conservatory in the western hemisphere.

Relics of the 1894 Midwinter Exposition continue to delight visitors today.

Dedicated to a veritable Houdini among P.O.W.s who escaped imprisonment on five separate occasions.

A local prank turned town icon.

A cargo of beautiful music.

The Underground Railroad passed right through this historic Brooklyn Heights church.

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.