One of New Jersey's oldest churches is a historical treasure trove.

A giant light 13 feet high shines near Thomas Edison's old Menlo Park lab.

An outsider art duo's yard has been turned into a whimsical public gallery.

This otherworldly church spire reaches up toward the heavens.

The press that first printed the Book of Mormon.

A field in which God and his son Jesus purportedly appeared to a young farm boy named Joseph Smith.

Golden plates containing what would become the Book of Mormon were believed to be buried on this New York hillside.

The trials and tribulations of marking Poe's grave.

A monumental statue of RCA's mascot now sits atop a historical society roof after a life of moving around.

The design of this historic domed church was influenced by Thomas Jefferson and intended as a statement of religious freedom.

The U.S. Navy's last diesel-electric submarine rests half-submerged in the middle of Portland.

This metallic stampede sits frozen on a Washington ridge yet the artist's vision is still incomplete.

A cavernous three-story, 43,800-square-foot basement that was forgotten about for 60 years.

The monument's pointy aluminum tip has been melted down by repeated lightning strikes.

The marker offers a rare chance to be in four U.S. states at once, though there's some controversy over its geographic accuracy.

One of the largest public collection of historic armored and military vehicles in North America.

The first North American landing spot for James Cook on his third voyage of discovery in the Pacific.

The largest wooden building in the world now houses a fascinating collection of aircraft.

This famous bridge twisted itself into oblivion, but not for the reason you might think.

The longest continuous lava tube in the continental U.S. offers 2.5 miles of dark explorations for the adventurous.

A fine, large-aperture telescope available for public use.

A French chateau, failed utopian community, odd museum, and Stonehenge replica in rural Washington State.

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

The "lovely red Vega" of the legendary record-settling pilot.