The larger of two volcanic peaks rising out of the crystalline waters of the Caribbean.

A unique botanical garden housed in three giant geodesic domes.

Once at the center of U.S. finance, the historic Trading Room was meticulously recreated piece by piece and rebuilt in the Art Institute.

A journey begins with a single step, and for many, the road-trip of a lifetime started at this Chicago intersection.

Louis Sullivan’s dark, swirling cast-iron designs envelop a popular department store in this Chicago landmark.

According to the legend, this strikingly beautiful hill has miraculous healing powers.

A group of artists transformed this desolate city alleyway into an outdoor gallery of street art.

What appears to be a wizard's lair in Milwaukee actually houses a massive water pipe.

The bugs crawling down the front of this office building are almost as big as a '68 VW Beetle.

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

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

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

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

This ancient Irish tower could easily have stood in for Rapunzel's prison.

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

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

The only monument to name all of the passengers and crew who died on the RMS Titanic.

The ruins of this medieval castle in Northern Ireland have inspired artists from C.S. Lewis to Led Zeppelin.

Northern Ireland's Brobdingnagian stepping stones.

Originally commissioned as a sculpture to reflect the history of Belfast's red-light district, the final sculpture has been banned from Belfast public land.

A series of stained glass artworks that depict images of the hit TV show.

This Victorian-era public house has set the standard for pub-style elegance for over a hundred years.

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

The last Victorian market in Belfast.