Two stunning 17th-century libraries and a cabinet of curiosities.

Macabre astrological automaton clock dating to the late 1400s.

This replica of an 8th century burial ship actually sailed to Norway before returning home to Minnesota.

A mapping error in the 19th century made loggers think this section of the forest was underwater.

When waves crash onto this section of beach, the rocks sing a song.

Thousands of people walk over this fantastic work of art every day, but how many notice it?

A giant donut stands as a popular symbol of Los Angeles iconography.

A graceful natural rock formation stands astride the point where the Gulf of California meets the Pacific Ocean.

No telescopes, no power, no gift shop: The Observatory of Chichen Itza, one of the world's oldest observatories, takes astronomy back to basics.

A crumbling cathedral condemned by an earthquake.

This vintage "streetcar boat" lay at the bottom of Lake Minnetonka until the 1980s.