The interior of the Overlook Hotel in "The Shining" was based on this Yosemite original.

A world-class observatory in the California desert.

The last remaining relic of San Francisco's glittering 1915 Panama Pacific Exposition.

The legendary building that needed ghostly approval before being built.

The spot in the Mile-High City that's exactly 5,280 feet above sea level (at least for now).

Air Force Academy Chapel made of 100 identical tetrahedrons works to inspire those of all religions.

When ecosystems collide in the arid Southwest.

Crystal clear lake with a shoreline of travertine located in a Colorado canyon.

An architect's childhood fantasy treehouse made real.

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

A beautiful geyser under environmental threat.

This iconic water tower and failed bandstand is open for panoramic views once a year.

This picturesque cliffside beacon no longer calls to sailors but shines once a year in honor of a famous shipwreck.

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

A bronze statue on a downtown corner honors Minneapolis's favorite career gal.

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

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 toweringly silly piece of modern art has been delighting locals since the 1980s.

Equal parts record-breaking temple to consumerism and bizarre fun park, it's more than you think it is...

20,000 pieces in a Frank Gehry-designed building.

Half of a waterfall goes into the river while the other half seems to disappear.

The famed architect designed this Minnesota gas station of the future with a lookout tower.

These crudely shaped folk giants may be the the second most photographed statues in the U.S.

The only road through the heart of Glacier National Park.