This massive library holds what was once the largest book collection in the world.

This beautiful Miami garden was designed as a laboratory for tropical plants.

A cherry tree growing atop a mulberry tree.

This former “ante-chamber to the guillotine” has been refurbished to illustrate the brutal history of French justice.

One of the oldest medical collections in Europe focusing on rare surgical instruments.

Eight whimsical acres of metal art.

The only National Monument ever to go missing for nearly 50 years then resurface in a dump.

This professional clown's home is an outsider art wonderland.

These beautiful objects represent beautiful ideas.

This grove of ghostly cedars was killed in 1700 by an enormous tsunami, felt from the United States to Japan.

An awe-inspiring giant blue whale jaw bone stands in the center of this Dutch island.

An Italian crevasse filled with abandoned buildings gives visitors a look at the world without humans.

Enormous piles of historically significant stones, dumped by Congress in a forest, and abandoned for 60 years.

The current Eureka County Courthouse replaced an all-wooden structure that had previously been an ice-skating rink.

35,000 grape hyacinths flow like water down a garden hill.

This museum boasts a bucket of teeth and tells the tale of a 20th-century dental circus.

A meditative space out of a fantasy story.

The massive, incredibly rare instrument is over 11 feet tall with a range so deep it goes lower than humans can hear.

A scenic canyon with thick forests and historic ruins.

Lions and tigers and leopards, servals, pumas, bobcats, lynxes, and ocelots... oh my!

Everything you always wanted to know about borates is here.

During WWII the U.S. Navy conducted primitive drone strikes on this Lake Michigan lighthouse.

A medical facility that has been kept frozen in time.

Display that gathers the basic elements of the universe in one convenient location.