Medicinal spa created from the mineral-rich runoff of a geothermal power plant

This boat represents the promise of undiscovered territory, a dream of hope, and progress and freedom for Iceland.

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

This dizzying tower was built to better broadcast the 1980 Moscow Olympics.

Relics from an era long gone, sit idle outside this Estonian museum.

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

Pre-Nazi swastikas adorn the sculpted pachyderms flanking this brewhouse portal.

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

Copenhagen's "other" little mermaid marks the historic location of past sea maid sightings.

The art museum is decorated with creatively remodeled pre-Nazi swastikas.

Copenhagen's celebrated theme park and gardens.

This chimerical bridge/tunnel appears to dead end right into the sea.

This windmill has been grinding pigments for traditional paints for more than 200 years.

One of Amsterdam’s most popular cultural and recreational complexes is on the site of a former gas works.

The attic of a four-century-old canal house hides a clandestine church.

This 1,300 year old monastery built atop a single rock was once only accessible depending on the whims of the tide.

A dad joke was inevitable when a member of this 19th-century chocolatier family married the president of France.

A monument at the site of a decisive battle in the First English Civil War.

The longest and steepest staircase locks in the United Kingdom.

Rare wooden escalators lead deep down into an otherwise staggeringly monotonous tiled tunnel.

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.

According to this bar, God gave an “11th commandment” to Antwerp: Thou shalt drink beer.

Hidden beneath the famous St. Peter's Basilica is a veritable city of the dead that may hold the remains of St. Peter himself.