A scientific observatory managed the largest Portuguese astronomy research unit.

Iron Age runes and ruins hide in plain sight along this Portuguese beach.

Cold war icon and onetime "hole" in the iron curtain.

Beneath the impressive baroque cathedral that rises from the center of Berlin lies the largest collection of Prussian royals in the world.

This unlikely 1980s relic at a bus station recalls the New York real estate tycoon before his political career.

One man's exploration of the human form, including the bizarre and delightful "Man Attacked by Babies."

A celebration of Norwegian independence, or public art gone wrong?

Once silenced for being off-key, this bell has found a new voice as an interactive public artwork.

A cannonball fired during a war against Sweden is wedged in the wall of this old post office.

This floating sculpture of ice is a poignant reminder of nature's power.

The design of this beautifully crafted building was inspired by Norwegian glaciers.

This striking sculpture of a supermodel in a yoga pose challenges traditional public art.