The largest mosque in Germany.

Residing along a busy thoroughfare, this sculpture urges passersby to consider the future.

This small condiment museum makes all manner of mustards with a 200-year-old mill.

Thousands of tourists and residents in Cologne affix "love padlocks" on the Hohenzollernbrücke Bridge to symbolize their affections.

A Scottish manor with a history of mysterious fires, magic, and eccentric tales

The most northern place on the mainland of Great Britain.

This abandoned urban warfare facility is a dream come true for airsoft and paintball enthusiasts.

The charming storybook building now houses a small police museum.

Concrete strongholds stand guard over the Golden Gate.

Longtime headquarters of controversial boys' club for the world's wealthiest and most powerful.

The giant pair of sexy legs sticking out the window of this costume store have become its main draw.

Visible below the waves are memorials to the city's Gold Rush dead.

An artsy hidden staircase leads to breathtaking views of San Francisco.

A modest reminder of treacherous waters at the Golden Gate.

This one-block alleyway is stuffed with street art that is colorful, cultural, and intensely political.

San Francisco's urban bison herd has persisted in the face of extinction, development, and disease.

A shop full of natural curiosities, carnivorous plants, and costumed taxidermied mice.

A former suicide bridge is now accumulating symbols of love instead of a body count.

A beautiful, dense forest in the shadow of Mount Fuji, with a tragic reputation.

This sprawling Belgian fort was once thought of as impenetrable but now it is simply an abandoned relic.

A Belgian self-built tower inspired by the Bible and ancient civilizations.

This neighborhood of futuristic ball houses looks like an alien settlement in a science fiction film.

An ancient passage filled with stalls selling used books, once frequented by Vincent Van Gogh.

A curious collection dedicated to human and animal anatomy and pathology.