The nerve center of a massive, state-of-the art radio telescope that sprawls across Western Europe.

One of the few places of its kind, this space research center sits deep in the countryside of Matera.

Crossing this suspension bridge feels like walking through the sky, a fitting tribute to the head of the Apollo program.

This expansive bridge in the Canadian wilderness was originally just built for friends.

One of the world's most advanced radio observatories sprawls across the Atacama Desert.

Twenty-seven massive radio antennas on the high plains of New Mexico search for life on other planets.

Colorful concentric circles honor a small Croatian town's supposed spot at the nucleus of it all.

A museum packed with instruments, lyrics, and other mementos of the American folk icon.

Climb to the top of its spiral spire for spectacular views of Copenhagen.

Climb to the top of this spiritual tower, and you'll be rewarded with spectacular views.

The Swiss artist's bulbous and overgrown shape-shifting sculpture controversially graces the center of Bern.

This eccentrically decorated palace is replete with grottoes, fountains, tunnels, and caves.

This palatial spiral staircase was so unusual the name "snail" was given to the noble family who built it.