Medicinal spa created with the discharge from a geothermal energy plant.

This beautiful, historic church looks like something out of a simpler past.

The picturesque birthplace of Icelandic democracy is drenched in the blood of its brutal past.

An encyclopedic collection of mammal penises.

One of the tallest buildings in Iceland, and perhaps, the most visually impressive.

A series of waterfalls so massive they straddle the border of Argentina and Brazil.

An art museum with an eclectic design and a scandalous past.

A king's pet, a pope's gift, an artist's inspiration, and a tragic shipwreck.

One of the most beautiful bookstores in the world hides a neo-Gothic interior behind an art nouveau facade.

A graceful natural rock formation stands astride the point where the Gulf of California meets the Pacific Ocean.

The Battle of Atlanta in 360 degrees, featuring a corpse that bears a striking resemblance to Clark Gable.

The ruins of a cotton mill that was burned in the Civil War are still hidden in a Georgia forest.

Beautiful Gothic-inspired lighthouse stands out among the run-of-the-mill striped fare on Bodies Island.

This shifting North Carolina sand dune is an odd little desert surrounded by oceanic forest life.

The highest peak in the state of Vermont has some interesting features.

The highest point in North Carolina and the United States east of the Mississippi River, Mount Mitchell is named after argumentative explorer Elisha Mitchell.

Near-constant high winds deform the trees on Spruce Knob, the highest point in West Virginia.

The first life claimed by this record-breaking peak wasn't lost to exposure or a fall but rather lightning.

In this relatively flat state the highest point is an honored place.

Minnesota's highest point is a scenic vista marked by a plaque and armies of mosquitoes.

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.

Georgia's highest point was given its strange name thanks to a simple translation error.

The highest point in South Carolina was once owned by an energy company that neglected it but now the state is taking it back.

The highest point in Maryland is only accessible by hiking through another state.