This natural spring not only claims to heal the wounded but it has also been willed to God.

This one-woman cemetery was a small civil rights victory.

This frozen tunnel in central Alaska is both an engineering feat and a valuable climate classroom.

This Yellowstone geyser may not shoot as high as the nearby Old Faithful, but it erupts for considerably longer.

A nature and cultural preserve named for its multitude of petroglyphs carved by the Northern Sinagua people.

This beautiful ancient site is dotted with perforated sandstone pillars considered sacred by some Native American groups.

Equal parts record-breaking temple to consumerism and bizarre fun park, it's more than you think it is...

In the middle of a suburban Denver neighborhood is a cave that once provided solace for a prominent Ute chief and his family.

One of Frank Lloyd Wright's final works was this UFO church.

A raised boardwalk winds through a thicket of stunted, century-old trees no more than nine feet tall.

These black pillars of volcanic basalt seem to call mountain climbers with an unbreakable siren song.

Experience a charming 1930's version of "infotainment."

One of the smallest towns in the United States.

This massive geographical sculpture is so subtle, it's possible to pass by it without noticing.

Cave carved out of a huge snow drift collapsed killing one and injuring five in July 2015.

Unknown to many, this sparkling turquoise lake hides amid Oregon's snowcapped mountains.

Over 120,000 curious objects that have shaped our modern world.

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

Smooth basaltic rocks tell a tale of ancient glacial waterfalls.

This prehistoric sinkhole lured exclusively male mammoths to their death, much to the delight of science.

Civil War dumping ground for the bodies of terrorized Union sympathizers.

This scenic gorge is named after one of the most famous Bigfoot attacks in pseudohistory.

In the depths of the Everglades, one man has dedicated his life to studying the elusive Skunk Ape.

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