This futuristically sylvan church is a glass-enclosed marvel of modern architecture.

The largest spring in Northwest Arkansas is also home to a sprawling botanical gardens and a historically significant bluff.

The fifth tallest statue in the United States is a shirtless monument to the oil worker.

Standing at 21-feet tall, this space cowboy adds to the legacy of Route 66's muffler men.

Once in disrepair, the house where the 1983 film was shot has been restored and turned into a museum.

The final resting place of an outlaw, whose legend grew after death.

The only diamond mine in the world where you can keep what you find.

A small "palace" and museum made of, and devoted entirely, to salt.

A mysterious find dredged from Louisiana waters.

The final resting place of the camel who served with the Confederate Army during the Civil War.

This iron and wood Civil War city-ship was the first vessel to be sunk by an electrically detonated torpedo.

A Muppet museum in small-town Mississippi honors the roots of Jim Henson's most beloved creation.

The deserted railroad town had a last gasp as a ghost town attraction before being abandoned for good.

A short boardwalk through a swamp leads to the spot from which the Louisiana Purchase was surveyed.

Memorials are nearly all that remains of this Arkansas prison camp, where thousands of Japanese Americans were forcibly relocated during World War II.

There are no bodies inside these stone coffins. And there never were.

The granite monument is engraved with the image of the talking horse's head coming through a barn door.

Dentist's hated concrete colossi are now beloved icons of the community.

The viewpoint for this attractive, off-the-beaten-path waterfall is reached by a paved, wheelchair-accessible trail.

This underground cave located in the most barren reaches of Idaho is filled with ice year-round.

A treasure trove of Renaissance-era funerary art in a Roman church built on top of Nero's grave.

A hospital where antique dolls are given new life.

This perfectly preserved Chinese medicine shop was untouched for decades before being reopened as a museum.

A mysterious artist-run cabinet of curiosities and library.