A colorful architectural gem in Seattle's uniquely modern Central Library.

The first Catholic church in Singapore is a Neo-Gothic colossus with a rich architectural history.

A meteorite-bounded town in Bavaria.

This German museum is devoted to all aspects of grave culture from headstones to coffins.

This conical hill was built as a testing ground for an engineer known as the Glider King.

Housing the groundbreaking maps and globes of Gerard Mercator.

A Museum of Psychiatry in a still-operating mental institution.

Six turbines towering over a wide road for passersby.

The "stairway to heaven" lookout tower was built to resist weather, arson, and the laws of physics.

This collection of over 50 murals celebrates Brussels' rich history as the self-proclaimed home of the "comic strip."

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

A historic observatory now an astronomy museum beautifully situated at the moat of the Middle Age city centre.

An unrealized Taoist palace left abandoned in a Houston suburb.