The remains of an attempt to carve a thriving metropolis from the forest, and once home to the first revolving door in North America.

Software company Epic Systems has created one of the strangest and largest workplaces of all time.

Coastal dunes, site of buried Egyptian movie set and former utopian colony.

Xul Solar was an artist of alternate worlds, inventor of languages, and dreamer of utopias.

This experimental utopian "city of the future" in rural India may hold a dark secret.

The famed architect designed this Minnesota gas station of the future with a lookout tower.

A mysterious structure left behind on the Polish mountainside, sometimes called "Hitler's Stonehenge".

Two giant painted cooling towers make for one of the world’s most epic bungee jumps.

A library and museum dedicated to typography.

Destructive children, start your engines.

This silent sentry in the crypt below a large Gothic cathedral is often knee-deep in water.

The story of a Floridian city as told through an obscure sport for retirees.

Beggars were miraculously "cured" of their fake ailments when they returned home to this 17th century Paris slum each night.

The only known Futuro house in North Carolina sits along a stretch of desolate highway on the Outer Banks.  .

This abandoned Olympic skiing facility still bears the scars of the Siege of Sarajevo.

The tallest waterfall in the Netherlands is a lovely, stepped feature that is only 50 feet tall.

Oxford University's stateliest library seems designed to make students truly feel the weight of knowledge.

The shipyards along the outskirts of the Bangladesh capital are a flurry dangerous boat breaking and rebuilding.

In Paris, Texas they have their own Eiffel Tower, it just has a cowboy hat on it.

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

America's second-oldest brick baseball stadium was home to a legendary WWII series that only sailors got to see.

A massive explosion that leveled hundreds of buildings in the city of Leiden is remembered by a waterside plaque.

A crumbling stone stable and carriage house are all that remain of a manse that was once filled with Egyptian artifacts.

This golden temple is surrounded by hundreds of stone tablets that comprise the "world's largest book."