One of Amsterdam's narrowest houses is located right across the canal from its widest.

This unusual elevator doesn’t stop or slow down.

This museum inside Amsterdam's largest cemetery explores how people deal with death.

A Dutch passageway's artistic, aquatic-themed makeover pays tribute to the capital city's famed waterways.

Famed for its pie, this eatery has a hidden tunnel that allowed Catholics to secretly walk to church during the Reformation.

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

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

Cat art as far as the eye can see.

Museum preserving torture methods from the past.

The world's first zoo for microbes collecting the horrible and wonderful things living on and around us.

A floating cat sanctuary on an Amsterdam canal.

The world's only museum devoted to the wonders of fluorescence.

An Amsterdam street lined with antique shops each one dedicated to a different obscure collection.

Ruins of two abandoned stations destroyed by the power they sought to harness.

The world's northernmost botanic garden has 25 collections of plants from arctic and alpine regions.

This solitary convex mirror sculpture at an abandoned ferry station at the edge of a fjord reflects the scenery back at the viewer.

The remains of a German plane still sit in the Norwegian wood where it crashed in 1942.

A collection documenting Nazi occupation of Norway, including a painting believed to be made by Hitler.

Research station devoted to mysterious floating lights seen in a Norwegian valley.

Mysterious man-made rock piles form an ancient cemetery on this rocky beach in Norway.

This functioning parish church is also the site of many concert performances due to its wonderful acoustics.

The last fully functional fortress of Germany's World War II Atlantikwall.

Norway's chilly all ice-instrument festival.

This floating sculpture of ice is a poignant reminder of nature's power.