The palace window through which Protestant nobles flung two Catholic regents, thus sparking the Thirty Years' War.

The fairy tale castle of the "fairy-tale king."

Around 100,000 bodies are buried below the medieval headstones, many of which mark graves with multiple bodies stacked up to 12 deep.

Synagogue built from the stones of Solomon's temple contains the golem of Prague.

This eye-popping Icelandic crater lake is surrounded by red volcanic rock.

A restaurant devoted to "trouser grip" wrestling, an ancient form of Viking wrestling that is Iceland's national sport.

This valley of hot springs and boiling mud pots is home to the record-holding "Geysir," which originated the English word.

Cairns built to bring travelers good luck stretch across the land like miniature stone mountains.

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

This natural rock formation features seemingly unnatural vertical ridges that have been blamed on elves.

A sulfuric martian landscape that looks far better than it smells.

In Northeastern Iceland lies something of an oxymoron: a steaming desert.

These ominous lava formations were said to be an entrance to the netherworld so of course they inspired a famous metal band.

This elegant arc of a waterfall marks a religious turning point.

Instead of solid circles, the stoplights in this northern Icelandic town have glowing red hearts.

This mountain fissure hides a secret path to a secluded mossy grotto within the rock itself.

A plaque marks the spot where the saint was shoved off the Charles Bridge and into the river.

A series of playful yellow penguins share a serious message about the environment.

A series of waterfalls so massive they straddle the border of Argentina and Brazil.

An imposing mausoleum that houses the remains of the former Argentinian president.

This stunning mass of ice spans 121 square miles and is still growing.

This glacier interpretation center houses the world’s only bar made completely from glacial ice.

The inspiration for the Patagonia Clothing logo, Cerro Fitz Roy turns pink at sunrise.

An ancient forest of the Paleocene Age turned to stone.