Be on the lookout for the symbolic insect all over the city.

An obscure walkway dedicated to a scientist who helped pave the way for the world to sit up and take notice of Manchester.

A tiny, hidden alleyway dedicated to the father of meteorology.

Old-fashioned knowledge and modern engineering create the world's only rotating boatlift.

The two massive guns that defended Cartagena Bay.

An enchanting landscape of ancient sandstone structures eroded into otherworldly shapes.

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

This obscene artwork on the side of a newspaper office pokes fun at a rival paper's former editor-in-chief.

This futuristic German spa allows visitors to float in a pool of salt water while zoning out to underwater techno.

This World War II bunker now survives as a documentation of the Nazi regime and war crimes.

This watchtower once presided over the Berlin Wall.

A museum specifically dedicated to the Trabant, one of the iconic automobiles of the GDR.

Looming communist pillar with a Czech twist.

Straight out of a nightmare, barcode-faced babies climb up and down Prague's television tower.

This artificial cave looks like something out of a fairytale.

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

This walkway is so narrow it needs its own light to stop pedestrian traffic jams.

An eerie, existential museum dedicated to the author of "The Metamorphosis."

This automated sculpture of two men peeing will spell out text messages with their micturition.

According to local legend, the devil shattered this column after losing a bet.

The largest and best-preserved rotunda in Prague.

A turn of the century building boasting some of the most beautiful art nouveau architecture in Prague.

Throughout this shopping mall are medieval ruins that were discovered during the mall's construction.

An existential riddle in the world's largest ancient castle.