Beauty and history abound in this remote West Texas canyon.

A spring-fed pool so deep it's used for scuba diving as well as swimming.

A group of college students hauled a desk up a mountain more than 40 years ago. The notebooks inside have become a makeshift time capsule.

Legacy of the earthquake that nearly wiped Lisbon off the face of the Earth.

An important Mayan religious and trading center dating back to 200 BC.

Sparkling, calcite-covered skeletons of children who may have been sacrificed to appease an angry god.

A monument to the center of the North American continent may be off by a few miles.

The world's tallest turtle riding the world's largest snowmobile.

A rim-made reptile in North Dakota.

A sign marks the plane crash that caused two nuclear bombs to fall in North Carolina.

Like Mars, but much closer.

An eerie and beautiful group of columns mark the site of a grand mansion lost to time and fire.

Alabama has a fiberglass Stonehenge. With apologies to Spinal Tap, this one is full-size.

Believed to be the oldest active college baseball field in America.

The rusted remains of a victim of Hurricane Ike.

Uninhabited islet in the Caribbean is the sanctuary of giant lizards.

A sinkhole known simply as "The Hole."

This island hill is strewn with boulders carved by shipwreck victims from the age of sail.

A 220-foot deep watery drop-off, filled with marine life.

Home to the largest urban bat colony in North America, estimated at 1.5 million bats.

A recreated Stonehenge stands in a country field, complete with Easter Island moai heads standing as sentries.

The summer home of the largest colony of bats in the world.

A stealthy Apache hideaway that became the haunting site of a mass grave.

Outsider Art Community.