This vast kitty-themed collection illustrates the history of human-cat interaction.

One of the best places to see feral Colonial Spanish Mustangs in the United States.

Jule Körner's house full of bizarre architectural details.

A historic covered bridge, only one of two remaining in North Carolina.

Garden dedicated to native carnivorous plants and site of huge flytrap heist.

The remains of the iconic train crash from the movie The Fugitive can still be found rusting along the Great Smoky Railroad.

This bright yellow relic is the final survivor of a short burst of seashell-shaped petrol pumps.

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

A curious collection of oddities including a lock of Alexander Hamilton's hair and Harry Houdini's ouija board.

The enormous 250-room Vanderbilt mansion conceals hidden doors and secret passageways.

A former Oz-themed attraction that has fallen into disrepair, but still holds some of the original magic.

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

An abandoned village that doubled as "The Hunger Games"' post-apocalyptic wasteland is up for grabs.

A sculptor's dream castle turned fantastical ruin.

This road in the Great Smoky Mountains was supposed to assuage a displaced community, but ended up a $52 million dead end.

A shady solar power system that couldn't hold up to the harsh desert conditions.

A well-preserved Ancestral Puebloan ruin tucked beneath a desert cliff.

What's a diner from the 1939 World's Fair doing in a remote Utah mountain town?

An abandoned amusement park based on the popular 1940s Red Ryder comic strip.