Rare recess caves fill this unbelievably beautiful Ohio park.

Take a drunken tour inside the world's largest known geode.

This super steep hike ascends 2,000 feet in less than a mile.

A little-known hot spring haven right below the highway.

Despite being one of the most photographed vistas in the Rockies these twin peaks are rightfully known as the "Deadly Bells."

The highest bridge in America was built for an almost unnervingly small amount of money.

Hidden beneath a bridge, this waterfall is known for the large amounts of graffiti painted on its base.

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

Crystal clear lake with a shoreline of travertine located in a Colorado canyon.

Dramatic river bend surrounds a natural red-rocked pedestal.

An emerald-green grotto just a short trip from Austin.

Most-visited and most-photographed slot canyon in the American Southwest.

Rippling sand dunes frozen in the Arizona rock.

A subterranean haunt where wine and homemade biscottis are always on the menu.

“It's the quality” (but probably also the drive-through donut tunnel) that has attracted diners since 1968.

One small town in the Pacific Northwest transformed itself into a Bavarian-themed tourist destination.

An extraordinary mixture of natural beauty and man-made phenomena.

A little piece of the Shire is hidden behind a plant nursery in Port Orchard, Washington.

This splendid Versailles-inspired mansion has the largest French-style formal gardens in North America.

With well over 130 falls and cascades to brag about, Hamilton, Ontario has earned its stripes as the waterfall capital of the world.

These strikingly barren, rolling red hills were caused by bad farming practices.

Beautiful waterfalls grace a canyon visibly torn by a violent tornado.

A particularly creepy abandoned hospital that sparks interest for lovers of the supernatural.

One man has installed bathtubs into the Utah desert floor to harness the powers of a natural hot spring.