Rustic natural hot springs in the deciduous rain forest.

A Dutch museum preserves the world's most diverse collection of vertical slices of soil.

A tiny red pebble marks what may be the quietest outdoor spot in the United States.

The highest point in Maine is a grand gift to the state citizens that also happens to be one end of the Appalachian Trail.

Thanks to a quirk of elevation this gift shop produces magic doughnuts that are found nowhere else on Earth.

Despite being one of the most photographed vistas in the Rockies these twin peaks are rightfully known as the "Deadly Bells."

One of nature's most well-scheduled phenomenons resides in Wyoming's Yellowstone National Park.

A beautiful geyser under environmental threat.

This rural community has attracted both scientists and techno-refugees due to its federally-mandated lack of technology.

Berkeley Hot Springs presents to you "the only outdoor monument to presidential bathing."

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

The beautiful baroque library of the Hapsburg empire.

Two stunning 17th-century libraries and a cabinet of curiosities.

This abandoned fishing settlement may well be the greenest village in the world.

A part of the world's largest marsh seems to be growing bright red Martian grass.

Home to three historic ships from the age of Vikings.

Dolphins, ancient clams and hundreds of waterfalls make this one of the world's top tourist destinations.

Founded as a refugee camp, now a popular tourist spot.

Centuries-old bridges grown from tangled roots.

This jaw-dropping 19th-century bridge uses its reflection to form what appears to be a perfect circle.

This iconic Parisian bookstore doubles as the "Tumbleweed Hotel" for traveling writers.

This isolated structure beckons adventurers with sublime views of the Faroe Islands.

This ancient structure is widely thought to be the oldest intact pyramid in the world.

This small cemetery contains the graves of prisoners of war who were interred at Fort McClellan during World War II.