Artfully arranged bones of 5,800 Austrians.

Inside the corridors of this flea market, visitors are sure to find some obscure and odd treasures.

Trick water gardens from 1619 featuring a 200 piece mechanical theater powered by water.

The final resting place for the remains of 143 Habsburg royalty.

The crypt of the imposing Stephensdom holds royal intestines and thousands of skeletons.

The beautiful baroque library of the Hapsburg empire.

This dragon narrowly escaped demolition.

Hidden underground, a remarkable 10th-century bath complex survives virtually unaltered.

The magnificent sanctuary is Spain's first purpose-built structure of its kind.

This taberna has been frying up crunchy salt cod since 1860.

Drink the 'Blood of Christ' in this Roman Catholic fever dream.

The 20th-century church looks like a rustic version of the Sagrada Familia.

Once a resting spot for King Fernando VII.

This house covered in small stones was the work of one man over the course of nearly 30 years.

This magnificent brick dome was made with an unusual design method.

King Carlos IV laid the first stone during construction of this chapel.

Indigenous cultures believed all life would end if this enormous rock toppled.

Sanctuary on a ridge near an ancient shrine to a "Black Madonna" built by the founder of Opus Dei.

Head to the mountains to catch a glimpse of Spain's endangered subspecies of brown bear.

This magnificent market stands as a poignant symbol of the suffering caused by the Spanish Civil War.

An uninhabited village that preserves and documents rural architecture and an endangered way of life.

A signal indicates the entrance to this alley, rumored to be a meeting place for witches.

This store decorated with Japanese and underground pop culture items has been the centre of Barcelona alternative fashion scenes for more than a decade.

The surviving remnants of a destroyed medieval church now stand in a public park.