Home to items never before seen by the public.

This abandoned, turn-of-the-century astronomy hub is now the subject of more photographs than it ever took.

Stone Age solar temple is aligned with the sun on each equinox and solstice.

This ancient Chinese observatory still contains early astronomy technology.

This Brazilian astronomy museum allows guests to gaze at the stars through their telescopes each weekend.

This impressively complicated radioastronomy research center was once a tool of Soviet spies.

High on a hill overlooking Los Angeles lives a world famous, high power conical Tesla Coil.

A building so large that it has its own weather.

In the most arid desert on the planet, the world's leading telescope allows astronomers to see more than has ever been seen before.

The world's second largest single-dish radio telescope, once used to contact E.T.

This former stomping grounds of the most eminent astronomers of the early 20th century.

A metal ring in the middle of the road marks the exact spot where the Soviet satellite crash-landed in 1962.

This iconic Russian space museum sits on a landmark space production facility and houses the Vostok 1, the first manned spacecraft, that was also built here.

Secret Soviet city once home to Russian cosmonauts and space training facilities.

Eighteenth-century home, where Herschel discovered the planet Uranus.

Moscow's imposing monument to the Space Age.

What began with a single, 357-pound chunk of the Canyon Diablo meteorite grew to be an impressive collection. 

Suburban observatory was personal lab of the father of modern astrophysics.

Space program, pneumatics and more, bits and pieces, for movie sets or the common man.

The closest thing to Mars on Earth.

The meteor that sealed the fate of the dinosaurs landed at this site, one of the largest impact craters in the world.

This observatory high on a hilltop in the center of Santiago got its start in 1852.

This mountaintop observatory is home to one of the world's largest reflective telescopes.

For hundreds of years, automatons moving to metallic music have been marking the passage of time.