Three floors of musical instruments coming from all corners of the world and hundreds of years of musical history.

Climb inside an iron crystal magnified 165 billion times its normal size.

The largest free-standing aquarium in the world resides in a hotel lobby in Berlin.

A fascinating insight into daily life in the Eastern Bloc.

Thousands of coffin-like pillars make up this controversial Holocaust memorial.

The world's first and only museum dedicated to dachshunds.

The picturesque birthplace of Icelandic democracy is drenched in the blood of its brutal past.

This valley of hot springs and boiling mud pots is home to the record-holding "Geysir," which originated the English word.

If a glacial river suddenly diving into a sheer chasm via a dramatic, multi-stage waterfall isn't peak Iceland, it's certainly close.

One of the tallest buildings in Iceland, and perhaps, the most visually impressive.

Iceland's tribute to its thankless civil servants.

It is against the law to obstruct the view from the top of this English burial mound.

No one knows who created the statues or if they are arranged properly—let alone the artwork's real name.

In 2013, historians discovered a hidden room devoted to the art of making royals' hot chocolate.

The world's largest grapevine has produced a delicious harvest at Hampton Court Palace for almost 250 years.

A miniature Italianate fantasy village on the coast of Wales and the set of ITC classic "The Prisoner."

Mysteriously stacked storefront paths give this medieval British town an iconic style like none other.

A hundred copies of Antony Gormley's naked body stare out across the water.

The second-longest pier in the U.K. stretches a whole kilometer into the Irish Sea.

This dreamy street will transport you to wintertime in Victorian England.

One of the tallest mill chimneys in Lancashire gave up its ornate cast iron "crown" during World War II to assist the war effort.

Locals spent years successfully fighting to save this beloved Brutalist behemoth from demolition.

This historic former textile mill now houses a brewery, hotel, and what's believed to be the longest bar in the United Kingdom.

The second smallest castle keep in England.