The only university zoological museum in London houses extinct animals, bizarre natural history specimens, and a Micrarium of microscopic creatures.

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

Kings Cross Station pays tribute to its role in Britain's best-selling book series.

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

Museum preserving torture methods from the past.

This 22-floor tower's Skydeck offers panoramic views of Amsterdam.

This giant urban staircase was built to keep the city's brave fighting men from getting waylaid in the red light district.

A marble Lucifer hides behind the pulpit of this Gothic cathedral.

This abandoned Belgian fortress is purposefully being left to nature.

Part modern art project, part traditional chapel, this see-through church is only substantial from the right angle.

The world's tallest boat lift stands as a massive piece of industrial tourism.

One of Belgium's oldest hospitals saw patients from the 13th to 20th centuries before becoming a museum.

A magical and peaceful ruined Cistercian abbey in what is now southern Belgium.

The highest point in Belgium is a staircase to nowhere.

An early 20th-century sanatorium, long abandoned and now being reclaimed by nature.

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