Rare recess caves fill this unbelievably beautiful Ohio park.

Hell on Earth is actually a small town in Michigan where anyone can be mayor for a day.

A band of aerialists and circus performers putting on incredible shows in East Williamsburg.

You might know it as the Overlook Hotel, but the inside is not going to be familiar.

This former coal gasification plant found a curious second life as a popular public park.

Sniff the Titan Arum's rotting flesh.

Twin Peaks' real life Double R Diner has been restored to its damn fine television look.

Eons ago, a rushing lava river formed this pristine passage through solid rock.

Better known as the "Body Farm," this unique research facility has been studying how human bodies break down since the 1980s.

Stripes of flowers bloom each spring in a 50 acre rainbow of color.

These eerie outliers of the lightning bug family glow a mysterious blue color.

This naturally-sourced hot spring is now home to a clothing-optional resort.

Canyon walls shrouded in ferns.

Frank Lloyd Wright's most iconic home dangles over a Pennsylvania waterfall.

Rustic natural hot springs in the deciduous rain forest.

One of the most scenic stretches of road in America winds between some of the country's oldest trees.

A lush green oasis in the middle of Chicago.

A Bibliophile's Dream.

Breathtakingly blue walls shimmer inside the "Glacier Behind the Town."

The hike through a narrow river flanked by the 2,000-foot-tall walls of Zion Canyon is one of the best in the world.

The magic's in the hole!

Two thousand artifacts from around the world collected by one woman who loved to travel.

This frequently-photographed waterfall takes only a short hike to visit.

The largest hot spring in the United States is, as the name suggests, a stunning show of natural color.