This ghost town in Belgium will lose its street art when it ceases to exist.

Three floors of musical instruments coming from all corners of the world and hundreds of years of musical history.

Cozy basement bar sports an inventory of over 2,000 beers.

This fairytale castle was built as a show of power but was nearly torn down thanks to its history of torture.

The former home of a trailblazing surrealist is still filled with haunting dolls and grim paintings.

Elaborately carved to showcase the glorious wealth that the age of exploration brought to the Portuguese empire.

The world's largest wooden structure.

This giant sculpture recalls a famous passage from “Alice in Wonderland.”

This unassuming chapel in Portugal plays host to a ghoulish collection of bones.

This small chapel is built of human bones and decorated with a golden skeleton.

The devil-defying mark left by a saint as a boy is visible inside Lisbon's cathedral.

Eat the ultimate iteration of Portugal's most beloved pastry.

This Industrial Age architectural and engineering gem helps visitors and residents alike traverse Lisbon, “The City of Seven Hills.”

A king's pet, a pope's gift, an artist's inspiration, and a tragic shipwreck.

This charming candle shop has been in business since 1789.

The world's oldest bookshop still in operation.

These 400-year-old ruins are all that's left of the monastery where Ines de Castro was assassinated by the King of Portugal.

One of the oldest universities in the world exhibits thousands of specimens from its 700-year-old collection.

Legacy of the earthquake that nearly wiped Lisbon off the face of the Earth.

Elaborate tile work in this railway station tells the story of Portugal.

A hidden three-foot-wide house separates these two regal churches.

This restored Portuguese cafe may well be the most beautiful place in the world to grab a Big Mac.

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

This house is one of the most colorful in the country, and is the last remaining example of a historic villa.