A historic observatory precariously perched at the "Top of Europe."

The middle finger of modernity.

This historic observatory was established to keep shipwrecks from littering the Cape of Good Hope.

A self-taught astronomer fell in love with the stars and built his own observatory in Colombia.

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

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

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

This historic folk museum celebrates the attention to detail that makes America great.

This small archipelago in northern Lake Superior was formed by a massive meteorite impact 450 million years ago.

A beautiful and abandoned New York subway station from 1904, complete with chandelier.

A frog crossed this road, but whether it made it to the other side remains a mystery.

An Escher-inspired library dedicated to the wonders of the human mind, yet closed to the public.