Built by crowdsourcing, this wooden foot bridge saved a part of Rotterdam that was languishing in wait of city funding.

These slanted cubic abodes are a creative if odd solution to a zoning pickle.

A set of seven houses, each built in a style that represents a European country.

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

Amsterdam's former hotspot for public executions and dissections.

Three connected pink triangles memorialize persecuted gays and lesbians throughout history.

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

A beautifully eclectic mix of architectural styles.

This mundane post marks the old location of the city's main postal hub.

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

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

The largest terracotta fountain in the world, built to commemorate Britain’s Victorian achievements.

The former home of the world-famous Templeton Carpet Factory.

This stately monument has been wearing a traffic cone hat for decades much to the delight of the locals.

This city square dates back to the Scottish Enlightenment and was home to some of Scotland's brightest minds.

A multi-storied painting that depicts the area's rich and diverse maritime history.

The remnants of a facade from a 19th-century market stall emporium.

Edinburgh's oldest statue hides within a parking lot behind the city's iconic cathedral.

This charming old building's loose connection with the Scottish Reformer is what saved it from demolition after it split apart.

The building where Mary, Queen of Scots was said to have bathed in white wine.

The 20th-century chapel’s intricate woodwork includes amazing details, most notably angels playing bagpipes.

A six-ton wedding present for the King of the Scots.

Touching this 18th-century Scottish philosopher’s toe allegedly conjures good fortune.

These steps offer a breathtaking view of one of Europe's most besieged fortresses.