The largest ancient burial mound in Ohio.

The heroic sled dog of the 1925 serum run is preserved in taxidermy.

View Kentucky's beauty and history from the perspective of painter John James Audubon, author and illustrator.

The collection of a paranormal investigator who traveled the country collecting haunted items and stories.

Amazing taxidermy dioramas from the 1960s in a cement building meant to look like an ice cave.

An enormous natural sandstone bridge in Kentucky.

Moonbows over Kentucky.

Prehistoric animals decorate this popular outdoor park.

In Hong Kong, a fairytale flower tunnel is hidden within the gardens of a public housing complex.

Remnants of the most densely packed city in world history, that thrived on anarchy for 30 years.

This spooky road cut through a mound of ancient coral might be haunted by a witch.

One of the largest Native American shell middens stands 30 feet tall.

One of the best places in Florida to spot rare, carnivorous pitcher plants.

A swamp that was the site of prehistoric water burials also managed to preserve its corpses for millennia.

Visit these gentle, bell-bottomed, exquisite equines at the home of North America's first Gypsy Vanner horses.

One of the world’s largest and deepest freshwater springs, where mastodons once roamed.

An easy-to-reach, century-old shipwreck in shallow and crystal clear waters.

A physical reminder of Earth's ancient past, this rock results from the photosynthetic processes of some of the oldest forms of life.

Reason for Michigan's potential diamond mine.

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

The park is home to the United States's only still-operating Dutch windmill.

An unlikely beach paradise of giant sand dunes lies between two lakes just a few minutes from Michigan's cherry country.

Ancient petroglyphs discovered only after a massive fire swept across Michigan in the 1880s.

This shallow cave got its name from copious amount of human bones found inside.