The old observatory in Copenhagen has a spiral corridor used as a racetrack.

An ultra-modern diversity park in Denmark has turned an entire city block electric pink.

Danish tourist destination well known for open stalls where vendors sell marijuana on the street.

Copenhagen's celebrated theme park and gardens.

The de facto symbol of Copenhagen is this bronze fairytale which cannot seem to keep its head for very long.

San Gennaro, the patron saint of Naples, greets pedestrians between these narrow city streets.

Beautiful views and Roman-style statues on the Italian coast.

This seaside Italian village doesn't just look Escher-esque, it actually inspired the mind-bending artist.

This clifftop arch is a natural stunner.

A fortress off the West coast of Portugal that dates back to 1502.

This unique architectural wonder is also tied to one of the 20th-century's most renowned writers.

Europe's oldest still-operational tea farm also boasts a spectacular view.

Portugal's National Pantheon has a history of curses, collapses and financial problems.

A majestic hotel for dreamers rises from the center of a fairytale wood.

A man throwing a giant severed hand towers over Antwerp’s main square.

The legendary giant's severed hand sits on Antwerp's popular shopping street.

This statue dedicated to the story of a Flemish boy and his dog was relatively obscure in Belgium, but a cult sensation in Japan.

These small, triangular, colorful houses are a staple of Madeira Island.

The compass on its front was a handy tool for 17th-century merchants who needed to know the direction of the wind.

Christ's blood allegedly preserved in a Belgian town.

The Swedish flag over this small naval fort signals that the nation is at peace.

This giant crucifix is like U2's Joshua Tree for Swedish death metal fans.

It is said that each of the white stones in the red facade of this medieval house represents the head of a murdered Swedish noble.

Stockholm's narrowest alley is barely over two feet wide.