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

The house where the writer spent his formative years.

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

This colorful and fiery mural depicts the Irish folk story of the beloved hero Cuchulain.

An enigmatic monument to the Irish revolutionary who plotted an uprising against British rule.

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

The block of aged dairy is probably still edible after 2,300 years in a peat bog.

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

These gigantic skeletons tower over visitors and provide insight into the creatures that once ruled over Ireland.

The most iconic structure in Scotland has been home to bishops, colonels, and Sean Connery characters.

A remarkable feat of Victorian engineering across the Firth of Forth.

Portland had a unique approach to Cold War-era protections.

A graveyard for early settlers, sometimes called Old Pioneer Cemetery, hidden in the woods on a hillside.

This trail leads to a mine that was used as a sanctuary during the Great Fire of 1910.

A nearly abandoned 19th-century town on the Palouse.

The site of the deadly Triangle Shirtwaist Factory Fire.

A terrific purveyor of natural history objects and curios.

The oldest living tree in Manhattan comes shrouded in sinister legend.

This tiny home was originally a narrow alleyway.

The 2,000-year-old Roman columns are hidden within Barcelona's Gothic Quarter.

An unusual stroll through gentlemen's erotica demonstrates that pornography is timeless.

A French chateau, failed utopian community, odd museum, and Stonehenge replica in rural Washington State.

The lush coastal city of Astoria is riddled with forgotten secret sidewalks.

Two massive rock outcroppings on the Oregon coastline.