This fountain was once heralded as the largest in the world.

A historical convent known for taking in bad luck babies left on its doorstep is now an upscale shopping center.

Historic bar where the Singapore Sling cocktail was invented.

This statue once earned the distinction as one of the "Three Major Disappointments of the World."

Singapore's landscaping project is home to 18 incredible Supertrees.

This Swiss cemetery is reserved for people who died in climbing accidents.

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

The ship built to ferry passengers and goods to the doomed Titanic is now the last remaining White Star Line vessel.

The "Black Arch" guards the entrance to the picturesque Glens of Antrim.

A museum marks and documents the site of the Titanic's launch.

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

This short bridge is the only thing connecting a tiny Irish island to the mainland.

Northern Ireland's Brobdingnagian stepping stones.

The dance of this huge clock is a magnificent and eerie commentary on good and evil in the history of humankind.

The most loyal of little dogs, or a Victorian era publicity stunt?

The taxidermy remains of the first mammal ever cloned from an adult cell are on display in Edinburgh.

This 17th-century street hidden beneath Edinburgh was once a breeding ground for the black death.

The original shop where the iconic Belgian praline was invented.

A little sculpture with a large wardrobe.

A mile-long, three-tiered cave hidden under a Bahamian island, complete with cathedral-like formations, bat colonies, and graffiti going back to the 1870s.

A crumbling Caribbean resort hidden just steps from a beautiful pink sand beach.

The site of the earliest colonial settlement in the Bahamas started as a place of religious refuge.

This isthmus in the Bahamas narrowly separates the roiling Atlantic from the cool Bight of Eleuthera.

These two giant boulders mysteriously perched on a 60-foot cliff may have been slung up there by a raging tsunami.