A massive ultra-modern church presents a science-fiction view of Catholicism's inclusive future.

Modeled after a famous church in Vienna, Austria—but in Helena, Montana.

A four story, football field-sized, nine-grotto creation made of shells, minerals, and rare stones.

The oldest continuously operating church in California.

Only known mainland rookery of the threatened Stellar sea lion.

This open air cathedral invites all faiths to worship under the only roof big enough to fit them all: the sky.

A wax effigy of St. Valentine hides one of the saint's relics.

This historic Civil War church has survived over a century of racial turmoil but still stands as a reminder of the town's roots.

Vikings and Evangelicals have both had a hand in this replica medieval church.

This freshwater spring fills with 10,000 gallons of water per minute.

A dangling church built over a Colombian gorge.

A beautiful geyser under environmental threat.

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

The oldest badlands in North America, Makoshika State Park takes it name from the Lakota words for broken land.

One of the smallest towns in the United States.

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.

The first declared National Monument in the United States.

An entire city block built completely out of petrified wood.

A waterfall 600 ft. inside a mountain, once the bane of gold miners, is now a spectacle of nature.

This replica stave church looks like a piece of Norway was simply plopped down in South Dakota.

This pebble beach is so beautiful that taking its rocks is against the law.

A replica viking ship from the Chicago World's Fair is still in dry dock in an Illinois park.

Four glass boxes hover over 1,000 feet in the air to give visitors an unparalleled view of Chicago.

A collision of human error and natural geothermal pressure created this rainbow-colored geologic wonder.