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

The oldest inn in Kilkenny was established by the first convicted witch in Ireland.

After being destroyed by IRA sympathizers, the ruins of this stately Irish manor have sat vacant for decades.

This stunning concert hall has become a symbol of Iceland's national recovery.

One of the tallest buildings in Iceland, and perhaps, the most visually impressive.

Island ghost town detailing Flagler's folly in building the Overseas Railroad.

Dedicated to the victims of one of the deadliest hurricanes to strike the United States in recorded history.

This lush Florida island is home to the ruins of a crooked ship breaker's tiny empire.

A unique collection of diving equipment spanning antiquity to the present day.

The famous boat that once ferried Bogart and Hepburn still floats in Key Largo after being abandoned for years.

This post-war motel embodies a little-known, Miami-born architectural style.

This small beachside park commemorates the possibilities of discovery.

A tribute to a hometown hero and surfing legend.

This abandoned NASA launch site is now a memorial to a trio of astronauts who were killed there.

A building so large that it has its own weather.

This ancient octopus-like tree was saved from destruction thanks to shady reporting.

Must form and function forever remain at odds? Not if the Florida Department of Transportation has its way.

A sweet tribute to Georgia's official state vegetable, which even has its own mascot: "Yumion."

One of the largest-ever mental hospitals now sits abandoned, surrounded by 25,000 unmarked graves.

A fascinating aviation museum where you can chat with the veterans who once flew the aircraft on display.

The site of the notorious Camp Sumter Prison is now a peaceful memorial.

A real (but thankfully not live) missile stands tall as a monument to the United States military in the small town of Cordele.

This 13-foot smiling peanut in Georgia helped Jimmy Carter win the 1976 presidential election.

HFH's slum simulation is either a noble recreation of poverty or a cringeworthy attempt at same.