A memorial for public executions that dates back to the 14th century.

Once a resting spot for King Fernando VII.

Dedicated to the Father of the British Fire Service.

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

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

Local folklore claims that this wall was not built for defense, but to provide labor during a time of famine.

This cryptic monument honors a mysterious dead woman, despite her identity being lost centuries ago.

A pair of giant stone heads represent the ancient Roman saints beheaded here.

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

In the heart of Luxembourg's "little Switzerland" weaves a breathtaking natural sandstone canyon with a mythological past.

Hang out with thousands of butterflies in one of the world's largest such enclosures.

An interactive back-alley mural project remembers the golden age of Kuala Lumpur’s Chinatown.

Cartoon clouds and nature-inspired murals have transformed the streets of Kuala Lumpur.

The last remnant of Kuala Lumpur’s old prison complex now stands on the edge of a Japanese shopping mall.

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

A 12th-century castle featuring a sensory path where partially-sighted visitors can experience regional history through touch and sound.

Designed by Gustave Eiffel before his famed tower.

One of the best examples of the modernist movement in Madrid.

Resting peacefully between two majestically-slanted trees, this roadside water trough circulates water peacefully.

Statues of a fire-breather, a clown, and a whole performing troupe celebrate Luxembourg's creative side.

Men in rubber-soled boots serve as your "brakes" on this toboggan ride Hemingway described as "exhilarating."

Some believe that the artist behind this whimsical statue inserted his own likeness as a way to discreetly flip the bird.

Crafted from ocean litter, this sculpture highlights the ills of overconsumption.

A shrine-like museum entirely dedicated to soccer superstar Cristiano Ronaldo.