The highest peak in Wales is said to be the final resting place of a giant killed by King Arthur.

The picturesque birthplace of Icelandic democracy is drenched in the blood of its brutal past.

The last of the 19th-century booze-free bars has been slinging teetotal tonics for over a century.

The largest whale museum in Europe allows visitors to walk among life-size giants.

This underground church is topped with a 500-foot cross that is seen by many as a beacon of fascist hubris.

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

After mysteriously refusing to surrender at the end of World War II this sunken submarine was only salvaged in a search for Nazi gold.

The world's largest collection of artifacts from our history of industrial gas use is hard to simply pass.

Downtown Minneapolis mixed art and function by turning some of their sewer covers into works of art.

This sculpture is an instrument played by the swell of the seas.

This natural Icelandic fissure allows divers to swim right between two volatile tectonic plates.

A toweringly silly piece of modern art has been delighting locals since the 1980s.

Elaborate tile work in this railway station tells the story of Portugal.

Eighty million natural history specimens call this gargantuan museum home.

An open air haven for tropical monkeys in the damp moors of the English country.

An industrial relic is now one of Europe's most staggering art spaces.

A perfectly running 230-year-old silver automaton and music box.

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

A stunning bridge that appears as if it's lunging to the shore, and has a legend of a devilish architect.

I Street Bridge is the heaviest swinging center bridge in the United States.

Installed in an act of one-upsmanship, the annual sundial in this church is also a symbolic victory for the Gregorian calendar.

A working model of the entire San Francisco Bay and much of the Sacramento River Delta, complete with regular tides that change every 14 minutes.

The atmospheric road was never meant to be so creepy.

Walk in the footsteps of the gods and straddle two tectonic plates.