Gutted during the Liverpool Blitz, this architectural husk has been left destroyed in honor of the dead.

This stucco building in North Africa was the first American-owned property on foreign soil.

Once a resting spot for King Fernando VII.

An open-air sculpture museum in a park in Alcorcón.

Poet Antonio Machado's former residence offers the quintessential Castilian lifestyle of the provincial towns in the early 20th century.

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

A must for film lovers in Madrid and home to the Spanish Film Library's projection space.

This unassuming bookstore in the heart of Madrid is one of the oldest in Spain.

Built to celebrate the glory of a new queen, this forgotten monument has moved around Madrid three times, reflecting 200 years of political whims and city redevelopment.

The fake World Cup prize was secretly created after the first one was stolen in 1966.

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

The history of knife-making in this French city is explored through this museum.

This 18th-century pond is one of the main attractions in the Jardín del Príncipe in Aranjuez.

Catacombs turned marketplace.

Meant to resemble a massive tree, the building is the best example of Spanish organicist architecture in Madrid.

Built to power trains, the engines in this building provided the entire city of Madrid with electricity during the Spanish Civil War.

A museum dedicated to one of Portugal's most celebrated writers.

This humble bench is considered the most beautiful in the world.

Madrid's last horchata kiosk is a blue-and-white beacon of refreshment.

Known as the Casa de las Siete Chimeneas, this haunted 16th-century manor has a dark, mysterious past.

A quiet, semi-secret square with statues of Mahatma Gandhi, Virginia Woolf, and a conscientious objectors stone.

Designed by Gustave Eiffel before his famed tower.

This coffee shop lies hidden beneath a historic church.

A haunting monument dedicated to the Royal Naval Air Service and the Fleet Air Arm.