World's second largest particle accelerator, where nature reveals its secrets.

Monasteries on rock pillars, once accessible only by frayed ropes.

This gravesite in the Amazon Rainforest was left behind by a failed Third Reich expedition.

A stone arch leads to a cavernous 1930s spring house tucked away in the Pennsylvania woods.

Just below the surface, shrimp are producing temperatures hotter than the sun.

Pumpkin-like gargoyles and grotesques peer down from the rooftop of this unassuming apartment building in Illinois.

Manhattan's Thirteenth Avenue was made on landfill then deliberately destroyed — apart from one small, obscure block.

A 70,000-square-foot institution dedicated to a very literal, creationist perspective on the Book of Genesis.

After a water tower painting was accused of being an ad, a simple fix was made that gave the city a motto.

This humble star-gazing center touts itself as the "Birthplace of American Astronomy."

Ornate limestone building now filled with geologic specimens, and more.

A rancher expanding a natural spring for his cattle came up with bones – lots and lots of them.

Roaming bison and a spectacular view at the highest point in Nebraska.

The world's largest covered wagon is piloted by a giant Lincoln lawyer.

This museum remembers the tough Mormon trek across America through an intriguing array of artifacts.

The largest collection of historical roller skates in the world.