Amsterdam's narrowest house facade is a monument to 17th-century tax evasion.

Some 80,000 Delft Blue tiles line the inside of this Amsterdam walkway.

The works of poetry's biggest names grace the walls of the city of Leiden, all carefully painted by hand.

A trio of red, white, and blue stones embedded in the streets of Leiden are markers of medieval territory and law.

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

This city square is home to Amsterdam's oldest church and a statue honoring Dutch sex workers.

Amsterdam's former hotspot for public executions and dissections.

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

A public urinal so pretty, it was declared a national monument.

A beautifully eclectic mix of architectural styles.

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

The world's oldest Jewish library was founded by Sephardic Jews in 17th century Amsterdam.

Established in 1638 to battle the Black Death, Hortus Botanicus Amsterdam is a treasure trove of rare flora.

Unsurprisingly, Holland is home to one of the most magnificent flower gardens in the world.

Europe's first floating restaurant is home to a hilarious legend.

Near the former site of numerous witch burnings, this lavish Edinburgh mainstay pays homage to Scotland's brutal history.

A statue in the heart of Edinburgh honors a bear that served in the Polish military during World War II.

A roadway designed for a visiting monarch.

Protecting the dead from opportunistic body snatchers.

The tomb of one of Scotland's bloody historic villains is a magnet for bumbling desecrators.

A remarkable feat of Victorian engineering across the Firth of Forth.

A striking glass tribute to two sisters who suffered during Scotland's "Killing Time."

This figure of a local merchant is said to reanimate and do a dance during Hogmanay.

Cascading waterfalls mark the gateway to the ancient burial place of Clan Macnab.