Around half a million years ago, these magnificent columnar basalt cliffs were formed from cooling lava.

A popular rock that acted as a waymarker for American pioneers.

Devilish landscape, once cinema home to giant alien bugs, now derelict roadside attraction.

This Costa Rican chapel is the most metal church in the world, literally.

Balanced rock sculptures pay tribute to a murdered conservationist and his pioneer wife.

Once the foundation for a mansion, these ruins now offer amazing panoramic coastal views.

A secret climbing tree hides along the side of a Costa Rican road.

These mysterious ancient stone spheres were created by a civilization lost to time and are now mostly lawn ornaments.

This Costa Rican topiary park is a surreal garden of unearthly delights.

Where dogs like the rare "Fire-Tailed Border Cocker" run free on the mountainside.

This neon blue river gets its color from a unique mix of bacteria and volcano minerals.

Sloth rehabilitation center in the jungle of Costa Rica.

Paranormal activity on the great lakes.

This cave holds a surprisingly colorful variety of geological oddities.

Descendants of this colonial Pennsylvania family still travel from far and wide to visit the 300-year-old home of their Quaker ancestors.

A remote hill on a stretch of country road where the laws of physics are defied... or so it seems.

Last residence of H.P. Lovecraft featured in his story "The Haunter of the Dark."

A treehouse assailed by the elements and the government, now gone.

Dakota legend claims this locally iconic pinnacle was once part of a sacred burial site that was cleaved in two.

This tiny Minnesota city tried to secede from the Union as a last-ditch effort to fix its crumbling water system.

Terraced flowerbeds and rock sculptures in the midst of the Minnesota wilderness.

The world's largest floating loon bobs in the lake to kick off an annual festival.

After four years of grasshopper plagues, this chapel was erected as a plea to God to make them end.

The first hand-illuminated, hand-written bible since the invention of the printing press.