This rugged area of red rocks and arches is often considered one of the most beautiful places on Earth.

Giant, natural amphitheaters made of delicate geological formations called "hoodoos."

The only road through the heart of Glacier National Park.

The largest hot spring in the United States is, as the name suggests, a stunning show of natural color.

A beautiful geyser under environmental threat.

The highest point in Tennessee, Clingmans Dome bears witness to the ravages of one type of insect.

The world's longest known cave system.

These Great Lakes sea caves accessible by boat in the summer turn into temples of ice reachable by foot in the winter.

The granddaddy of all tourist traps, built on ice water, jackalopes, and a giant dinosaur.

A fitting attraction for the corn capital of the world.

When flour explodes, it's not a pretty sight.

The only arched bridge made of stone on the entire Mississippi River.

An old soap company building now houses one of Minneapolis’s oldest independent non-profit art galleries.

This taxidermic smorgasbord was co-created by an artist poached from the Museum of Natural History.

The Midwest's reigning king of surplus stores is full of nothing you need and everything you want.

Home to the Amorphophallus titanum "Corpse Flower," which is among the largest flowers in the world and also smells powerfully of rotting flesh when in bloom.

A museum within a museum, devoted to history's most questionable medical devices.

World's largest carved onyx figure stands as a tribute to enduring peace.

Sparkling, calcite-covered skeletons of children who may have been sacrificed to appease an angry god.

Home to more than 13,000 pieces of war memorabilia and military equipment.

Secret North Korean passage discovered below the world's most dangerous border.

Numerical symbolism abound at East Asia's oldest observatory.

Breathtaking and huge 430 year old maps of Italy.

The middle finger of modernity.