A miniature city, once ruled by the Queen of the Netherlands.

Go inside a revolutionary, cage-less zoo where 70 species of monkeys roam free alongside their human visitors.

This local emblem is the oldest and largest dragon tree in the Canary Islands.

One of the most spectacular bridges in Spain spans a narrow chasm that divides the city of Ronda.

Lava stone structures possibly dating back to the 19th century may have been a stopping point for voyagers between ancient Egypt and the Mayan Civilization.

According to the Guanches, the aboriginal people of the Canary Islands, the king of evil lives inside this volcano.

Spain's unique Mosque-Cathedral has been a place of worship for both Muslims and Christians throughout its history.

This quaint Spanish village agreed to be painted blue as a marketing stunt but found that they preferred it that way.

Three bridges and one giant canyon make up this fantastic Spanish settlement.

Construction of Barcelona's iconic (but controversial) church is expected to be completed in 2026—a century after the death of its architect.

This hauntingly beautiful cemetery outside a medieval citadel is full of winding paths and ivy-covered graves.

Nine centuries-old fortresses guard the walls of this medieval Romanian city.

A curious cave church carved into the face of a cliff.

These historic defenses ensured the city within would survive hundreds of years of occupations, sieges, and invasions.

A plaque marks the spot where the saint was shoved off the Charles Bridge and into the river.

Before serving as James Bond's Casino Royale, this Victorian-era spa catered to the world's elite.

A larger-than-life statue of the German revolutionist stands proud in a small town where he never lived.

This walkway is so narrow it needs its own light to stop pedestrian traffic jams.

The slender brass strip in Prague's Old Town Square was used to tell time from 1652 to 1918.

A turn of the century building boasting some of the most beautiful art nouveau architecture in Prague.

Monument to a suicide protesting the Soviet invasion.

Synagogue built from the stones of Solomon's temple contains the golem of Prague.

This former quarry is now a picturesque gorge that hides a sunken lake.

This automated sculpture of two men peeing will spell out text messages with their micturition.