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

Once in a state of dilapidation, this candy-inspired fortress is now being revived.

This Stockholm light tower can be controlled by anyone with a smartphone.

This ultra-modern burial building would have stacked the dead like a giant filing cabinet.

A part of the world's largest marsh seems to be growing bright red Martian grass.

This ceremonial Mexican square looks as though it belongs in a science fiction movie.

This permanent exhibition celebrates the finest of our heartless automatons both real and fictional.

This tiny lake temple dedicated to a water goddess seems to float on the surface.

Frank Lloyd Wright's most iconic home dangles over a Pennsylvania waterfall.

This domed temple was built in a hidden cave mouth as a refuge for sinners seeking absolution.

This medieval Italian town is a sheer (and beautiful) cliffside defense.

This modern museum of Mediterranean culture is surrounded by a surreal concrete honeycomb.

A number of craters left by fatal mortar strikes have been filled with red resin to remember those lost during the Siege of Sarajevo.

If you want to get married in the White Marble City of Ashgabat, you should do it in this surreal disco ball building.

Take a stroll through the hellish grotesques of Hieronymus Bosch in this elaborate Netherlands church.

From Austrians to Nazis to Soviets, this historic Budapest fortress has a history as complex as the city itself.

The site of the famous Nazi book burning campaign of 1933 remembers its "Night of Shame".

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

This Chinese museum proves that it's a watermelon world, we're all just living in it.

A Lovecraftian altar of nightmarish bronze chairs sits ominously on a boardwalk in Puerto Vallarta.

High atop a Mexican rainforest mountain, this ancient pyramid once drew pilgrims countries away.

Isolated atop this Balinese sea crag is a lovely Hindu temple that is said to be guarded by sea snakes.

This Balinese sea temple is thought to be guarded by the hundreds of monkeys that live around it.

This Russian religious complex is a Frankenstein's chapel that includes influence from almost all the major faiths.