These stained-glass windows are all that remains of a building that was the target of one of the biggest explosions in London after World War II.

A museum that chronicles the interesting and often dark history of the London docklands, once one of the major trading ports of the world.

Of five volcanoes located in the massive Tengger caldera, this cone is the youngest and most active.

A former reservoir that was only recently discovered after more than 60 years of disuse.

This effigy of Peter the Great is greatly disproportionate.

This historical village takes you back to the 19th century.

Discovered on a shipwreck after more than 400 years, this Renaissance ratter tells a very waggly tale.

This museum offers a journey back to the Belle Epoque era of Romania.

A gorgeous gilded tower houses what may be the world's largest collection of gin.

The stoic structure boasts a whimsical set of stained glass art commemorating Lewis Carroll.

A disused quarry turned lake in the middle of a residential district.

This communist behemoth is the heaviest building in the world and a legacy of a brutal regime.

A little slice of Japan and its aesthetics in London's Holland Park.

This cafe offers a curated collection of treats and tipples made by monks and nuns.

This once-derelict building is now one of the most beautiful bookstores in the world.

This memorial to the victims of the Romanian Revolution of 1989 is often compared to a potato on a skewer.

This striking observation tower shaped like a spinnaker sail is the newest icon in historic Portsmouth.

Roughly 17 million letters to Santa have found their way to this Arctic Circle post office.

The Tudor-style cottage in the middle of the square is not quite what it seems.

The largest Art Nouveau complex in the world is a Barcelona hospital with a 600-year-long history.

One of the largest Chinese cemeteries outside of China spent years overgrown and forgotten.

A mysterious pair of mice eating a piece of cheese is London's smallest public sculpture.

In Twickenham sits a small whitewashed castle that inspired Mary Shelley's 'Frankenstein.'

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