Space-age minarets towering over Islamabad.

A city entirely devoted to illegal gun production.

This museum explores the tumultuous history of Lviv under Nazi and Soviet occupation.

A historic London pub with prison cells in the cellar and a "spy room" on the second floor.

An easily overlooked stretch of ornate window fronts and gaslight lamps that could be right from the pages of Dickens.

Banksy gives themself artistic license with this piece of London street art.

This ornate Victorian marketplace was the setting for Diagon Alley and the Leaky Cauldron in the Harry Potter films.

A kaleidoscopic warehouse-maze of handmade neon signs.

London's creepiest cemetery was once the site of dueling magicians and mobs of stake-carrying vampire hunters.

An antiquated German apothecary on Chicago's North Side.

A century-old hotspot for jazz, frequented by everyone from Charlie Chaplin to Al Capone.

An enormous park-like oasis, full of famous Chicagoans' graves.

A submerged archeological park still holds the wonders of a Roman Sodom.