One of Amsterdam’s most popular cultural and recreational complexes is on the site of a former gas works.

An Amsterdam School landmark combining a museum and social housing.

The fairy tale castle of the “fairy-tale king,” this was also the inspiration for Disney’s “Sleeping Beauty.”

The attic of a four-century-old canal house hides a clandestine church.

A lush oasis full of vibrant plants and striking geometric displays.

Twelve towering statues once destined for Pécs Cathedral, now sheltering under arches.

Built in 1870 at the bridge that connected Buda and Pest, this spectacular incline railway was almost lost forever during World War II.

A chapel on a volcanic core, marking the end of a successful journey.

This towering church is home to a world-famous organ and a treasure trove of medieval art.

The largest 19th century panorama in the world still in-situ.

This hotel was once home to a steamliner company and became the final rest stop for Europeans heading to the New World.

Rotterdammers' dirty minds gave this Santa a dirty nickname and cursed it to a life of wandering.

Oldest Museum of the Netherlands is a true cabinet of curiosities.

This giant urban staircase was built to keep the city's brave fighting men from getting waylaid in the red light district.

A stone record of five floods inside Liège’s cathedral.

A marble Lucifer hides behind the pulpit of this Gothic cathedral.

Visitors can still take a train to this former train station turned museum.

The world's longest outdoor covered escalator system transports commuters through Hong Kong's hilly terrain.

Taoism, Buddhist and Confucianism are all represented in this temple that claims to answer anyone's wishes.

This restored landmark once guided airliners into Kai Tak, Hong Kong's infamously dangerous former airport.

Remnants of the most densely packed city in world history, that thrived on anarchy for 30 years.

A monument to placate the spirits of an ancient forest.

This attraction is part anthropological journey and part amusement park.

You can still see the remains of a sacred 3,000-year-old cypress.