Paranormal experiences in this hotel's room 217 led Stephen King to write "The Shining."

This tea house was a hand-built gift from Boulder's sister city in Tajikstan.

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

Dedicated to the history of the 1,000 nuclear missiles that once covered the Great Plains.

The highest point in South Dakota contains the ashes of Valentine McGillycuudy, the "Holy White Man."

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

Hidden behind Lincoln's head is a 70-foot-long chamber containing enamel plates documenting American history, sealed in a teakwood box in a titanium vault.

The world's largest mountain carving could fit all of Mount Rushmore inside it many times over.

A small oasis not far from downtown Moab.

Local lore holds that Butch Cassidy took an escape route through Red Canyon's sandstone hoodoos after an attempted murder.

The fifth-longest natural arch in the world, and the longest outside China.

The debris forms a solemn memorial to those who died in a 1963 accident.

A precariously balanced rock perches on the edge of a cliff created tens of thousands of years ago by glacial erosion.

This Maine bridge may be the last wire-supported bridge of its type in the world.

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

In a time before lifeguards, this house was a sanctuary for the shipwrecked.

These whimsical works of art tell the story of the city's past and present.

This "life-size" depiction of Mickey Mouse as a half-lobster is both whimsical and a bit creepy, standing guard over the Boston waterfront.

Radical Bookstore and Community Space.

Dim sum, served in a grand old theater.

One of the oldest used bookstores in the U.S. has been selling antiquarian treasures since 1825.

Two thousand artifacts from around the world collected by one woman who loved to travel.

This Boston medical museum features the skull of the famous medical case of Phineas Gage.

Who needs fancy modern water slides when this giant North Carolina rock works just as well?