Among the oldest structures in Madrid, these Moorish walls once guarded the medieval city of Mayrit.

This peculiar device allowed pianists to exercise their fingers

The oldest vestiges of Madrid found here, have been incorporated into this new museum.

A small but stubborn relic of Spain’s turbulent past hides in plain sight.

One of Madrid's most beloved statues is of an anonymous citizen.

Order cookies baked by cloistered nuns in a 400-year-old monastery.

The oldest restaurant in the world is this old-world Spanish eatery, still known for its suckling pig.

In this 400-year-old hotel in Madrid, you'll find a comb in every room, an old clock, and maybe a ghost.

An automaton perched above an classic clock and watch store

The mysterious large white cross visible from the runway is a memorial to a massacre during Spanish Civil War.

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

The hairpin turns in this mountain road take the shape of a letter—is it a coincidence or a symbol of love?

This World War I fortress is the perfect place to catch a Montenegrin sunset.

The complex has been abandoned since the Croatian War of Independence, barring a stint as a set for 'Game of Thrones.'

A wunderkammer of gold and silver reliquaries and ancient saintly bones.

An ancient knight and a symbol of the city's freedom.

A full figure 4th century incorruptible saint lies in a glass coffin in Croatia.

Picturesque basketball courts sheltered by historical defensive walls and with an enviable sea view.

One of the most notable figures in the Wurstelprater’s history is often assumed to be a fictional character.

A spherical "micro-nation" in the heart of Vienna.

Op-art architecture designed for happiness.

This Austrian museum celebrates the work of famous forgers and their inimitable imitations.

Baroque celebration of the end of the Great Plague of Vienna.

Along the edge of this fountain are 365 smaller fountains that represent the days of the year.