The unique waterfall in Iceland's south features a backdrop of geometric black lava columns.

Ruined 11th century abbey built by King David I in Edinburgh, Scotland.

360° views of the city plus five floors of optical illusions and hands-on science.

17th century streets hidden under Edinburgh were once a breeding ground for the black death.

Macabre astrological automaton clock dating to the late 1400s.

Unsurprisingly, Holland is home to one of the most magnificent flower gardens in the world.

Strange rock formations tower above the river that snakes through this enchanting Icelandic canyon.

Race through the maze, get your name on the sign.

The air force base preserves its scars from the Japanese attack on Pearl Harbor.

The second-largest gold nugget in existence, displayed in a Las Vegas casino conveniently named the Golden Nugget.

An exotic wildlife habitat right off The Strip.

A Norwegian-born sculptor created these soaring guardian angels at the entrance to Hoover Dam.

Experience a charming 1930's version of "infotainment."

To the famous surrealist artist, liberty required two torches held high.

At Monet's beloved home you can still see the Japanese bridge, waterlilies, and weeping willows that were the subjects of some of his most iconic paintings.

The 10,000 Torii shrine.

After a profound show of devotion for his master, a dog becomes the symbol of loyalty for an entire nation.

Dine on food tied to Viking history and legend at this subterranean Stockholm spot.

Now a hotel, this former bank was the site of a robbery that spawned a psychological phenomenon.

It houses the remains of a 17th-century version of the Titanic.

A magical place that lets you play in and explore the world of Studio Ghibli.

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

This easily overlooked memorial immortalizes the scars from the 1956 Hungarian Revolution.

The geographical center of Budapest is marked with a 10-foot-tall stylized zero.