A landscape of massive spherical boulders are the main attraction in this Kansas State Park.

Peace Park and the Atomic Bomb Dome.

A plaque marks the site directly below the mid-air detonation of the atomic bomb over Hiroshima.

This surprising gem is a world-class archeological museum hidden at the University of Chicago.

The unluckiest U-boat in the entire German fleet is now on display in a Chicago museum.

A monument celebrating the idea of reaching inaccessible places.

The former home of the Nobel Prize-winning American writer is now home to dozens of six-toed cats.

A mysterious castle built as a monument to lost love.

This historic "City of the Dead" lies prominently in the center of New Orleans' famous Garden District.

A diverse, expansive nature preserve in northeastern Kansas.

This Italianate Villa-style castle is pretty to look at, just keep off the private property.

The show pony of cave systems, Fantastic Caverns manages to live up to its name.

The Ozarks' strangest dwelling.

This haunted hotel built on natural springs once served as a hospital for a quack doctor promising a cure for cancer.

This futuristically sylvan church is a glass-enclosed marvel of modern architecture.

The world’s largest combined collection of U.S. and Russian aircraft got its start in a poultry building.

Lone survivor from Custer's Last Stand forever preserved.

The first car-centric shopping plaza in the U.S. brought a little bit of Spain to downtown Kansas City.

Community bookshelf of 25-foot-tall book spines.

Four, 18-foot-tall badminton shuttlecocks lie scattered about the lawn of a Kansas City museum.

Two hundred tons of pioneer artifacts were painstakingly recovered from a shipwreck at the bottom of the Missouri River.

This 14th-century temple is also known as the "Temple of the Golden Pavilion" for its gorgeous gilded reliquary hall.