Britain's answer to the NSA is based out of this deliciously-named circular headquarters.

These planks were originally installed to hold the dead.

This shining multicolored metro station deep under Naples is said to be the most beautiful in Europe.

Explore Hull's historic Old Town by following the sea creatures scattered throughout its charmingly cobbled streets.

A monument to the three wars that led to German unification towers within a Berlin traffic circle.

Theme park featuring miniature replicas of European monuments.

A fantastical 13th-century fortification sandwiched by a modern hotel in central Brussels.

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

Lavish royal estate punctuated with heated greenhouses.

The Devil’s own choice when he needs a drink in Brussels.

Meet the bronze beloved pet to a family of famous peeing statues.

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

This collection of over 50 murals celebrates Brussels' rich history as the self-proclaimed home of the "comic strip."

Brussels' favorite peeing boy has a sister.

Cozy basement bar sports an inventory of over 2,000 beers.

A little sculpture with a large wardrobe.

The phone booths in this English town have distinctly milky hues.

The Polish capital has had a deep connection to its guardian mermaid for almost a millennium now.

Hollywood's oldest hotel is the site of the first Academy Awards, the birthplace of Marilyn Monroe's career, and the home of Montgomery Clift's ghost.

This bell stars in a tragic love tale and is said to make wishes come true.

This luxury shopping lane has been protected by its own tiny police force for over a century.

The wooden telephone box hidden away in London's Piccadilly was the original prototype of the iconic kiosk.

A traditional American farmhouse plopped in the middle of a Piccadilly courtyard.

The giant statue and its model solar system honor the native Pole who declared that the Earth revolves around the Sun.