A church made of steel.

This Big Sur waterfall drops 80 feet directly into the Pacific Ocean, and inspired the hillside house up top.

This amazing ancient cave was kept secret for seven years to protect it from the public.

Rare recess caves fill this unbelievably beautiful Ohio park.

Erosion and various mineral deposits give this striking canyon its distinct color and soft appearance.

An improbable waterfall springs from an orange-white cliff face, tumbling into the headwaters of the Virgin River above Zion National Park.

Half of a waterfall goes into the river while the other half seems to disappear.

When waves crash onto this section of beach, the rocks sing a song.

A lovely hidden waterfall right off the highway is well worth a stop.

Ghost town with a beer-drinking goat for mayor.

A desert ghost town—occupied for only 12 years—was once home to more than 500 silver mines.

This deserted Gold Rush town is home to a Masonic lodge that, strangely enough, still holds meetings.

The eerie ruins of an isolated abandoned town nicknamed "the Widowmaker" for its deadly gold mine.

The ghostly remains of what was once the world's richest copper mine.

Ruins of a former government building destroyed during the Georgian-Abkhaz war in the wake of the fall of the Soviet Union.

This semi-spooky remnant of an abandoned hotel provides fantastic views.

A ghost town now swarming with dozens of prairie dogs.

A never-inhabited village that was built as part of Mussolini's agricultural reforms.

A semi-abandoned village destroyed by U.S. bombings during World War II dominates the valley of Turano.

The concrete skeletons of an abandoned Swedish town hide among the trees.

Odd outsider art installations surround a Gold Rush-era ghost town.

The abandoned train depot now doubles as a well-placed rest stop for those who take the road less traveled.

In this roadside "community for the small," abandoned toys gain new lives.

One of the ghostly stops along Route 66.