A derelict bit of transportation infrastructure hidden in the woods.

A hidden gem on the lawn of the U.S. Capitol Building designed by landscape architect Frederick Law Olmsted.

Enormous piles of historically significant stones, dumped by Congress in a forest, and abandoned for 60 years.

Originally built as a promotional giveaway, this suburban house was designed to be an IRL version of the Simpson home.

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

The fictional star of "Breaking Bad" is memorialized with a real-life gravestone in his hometown.

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

Turning night into day in Victorian-era Austin to thwart a serial killer.

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

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

Knoxville’s architectural icon was the symbol of the 1982 World’s Fair, even catching the googly eye of Bart Simpson.

A young state senator's deathbed plea to be buried inside a rock resulted in this unusual grave site.

A sprawling museum located on the former site of the Orphan Girl Mine.

A museum dedicated to the history and art of staying clean.

A historic coal mine that doubles as a museum and tourist attraction.

One day a year it is legal to jump off of this astoundingly tall bridge that spans an Appalachian gorge.

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

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

The marker offers a rare chance to be in four U.S. states at once, though there's some controversy over its geographic accuracy.

These two monoliths have stood at the entrance to the neighborhood since the days it was called "Hollywoodland."

This opulent hotel has been visited by Spider-Man, Charlie's Angels, and the Ghostbusters.

During prohibition, corrupt city officials ran drinking dens under the streets of Downtown Los Angeles.

A small, forgotten prison cemetery marked only by a wrought-iron fence and eerie depressions left in the ground.

This quirky local sculpture is quite literally a fish out of water.