This extravagant Art Nouveau rest stop features a million-dollar view of the Columbia River.

Shoreline strewn with the remains of ghostly fallen trees.

A glimpse into the "Logging Capital of the World" at a time when there was far more forest and far less machinery.

The highest point in Washington state is a volcano covered in glaciers.

City Council meetings still happen in this historic building, impeccably preserved on the inside.

This prehistoric sinkhole lured exclusively male mammoths to their death, much to the delight of science.

These former Cold War launch sites have been preserved for tourists to see where the button might have been pushed.

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

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

One of America's first dinosaur parks gives a window into Depression-era paleontology.

Every president in history is immortalized in bronze in downtown Rapid City.

Thanks to a loophole in property ownership, this alleyway has become a cacophonous street gallery.

South Dakota's oldest operating brewery is housed inside a historic firehouse.

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

A six-ton, 12-foot-tall concrete prairie dog is touted as the largest in the world.

The highest point in North Carolina and the United States east of the Mississippi River, Mount Mitchell is named after argumentative explorer Elisha Mitchell.

This bridge is haunted by the ghost of a distraught mother.

This Transylvania County city is home to a rare white squirrel population that is descended from an escaped carnival animal.

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

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

St Bernard de Clairvaux Episcopal Church, better known as one of the oldest European buildings in the Western Hemisphere.

In memory of the 110 victims of ValuJet Flight 592 that crashed in the Everglades.

Japanese gardens dedicated to the Japanese farmer that refused to throw in the trowel.

A tribute to Ponce de Leon's supposed quest for eternal youth.