Giant papier mache hog sits on private property.

An extravagant western hotel where every floor is the "ground floor."

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

This restaurant serves wood-fired fare served in a natural cave with a live spring.

A 40-foot waterfall flows into this unique natural swimming hole.

This small turbine mill along Rocky Creek was built in 1928

Once an ambitious nature spa, these forest ruins now provide a serene monument to failure.

An average of 33 million gallons of water pour out of the collapsed cave at the heart of this spherical spring.

A historic, scenic mill that was forced to close due to overlogging.

In the St. Francois Mountains in the Ozarks at 1,772 feet above sea level, Taum Sauk Mountain is the highest (and possibly oldest) peak in Missouri.

Erosion has transformed this sandstone boulder into a massive dune-filled cavern.

A small rural town hides Indiana's tallest waterfall.

A cornucopia of gargoyles adorns the oldest portion of Oxford’s Magdalen College.

The only remaining arch of the oldest stone bridge in Rome stands in the middle of the Tiber.

This is the oldest Roman-made bridge in the city still existing in its original state.

More than 500 years after his death, a medieval ruler's remains were found buried under a parking lot.

On the Fourth of July this area will transform into a Pompeii-like storm of falling embers and ash.

Local history on display in Indiana's first Carnegie Library.

This gravity-defying rock formation is one of Big Bend’s natural wonders.

A small sculpture that pays homage to the famous bronze ear of Ca de l'Oreggia—or does it?

Third time's a charm, or in this case, two testicles are.

Locals dubbed it the "Owl Building" because of its bird-like appearance.

Saint Borromeo often prayed in this austere crypt during the 16th century.

The initials "GW" mark where one of Scotland's most important Protestant martyrs was burned at the stake.