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

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

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

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

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

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.

Bigfoot prints, Feejee mermaids, and haunted dolls on display in a tiny North Carolina town.

Dental instruments from the illustrious history of American dentistry.

Paths are maintained, but trees have taken over plots.

Taste the white whiskey that the United States' first president once distilled and enjoyed.

Hop on the train and tour an elaborate miniature town made completely of junk (including the train).

An overgrown garden stands as a grim marker of an unrealized dream.

This abandoned church languishing for decades is now one man's passion project and subject of paranormal investigators.

The last of nine massive kilns that produced many of the red bricks for buildings in Washington, D.C. and northern Virginia in the early 20th century.

The oldest arched-covered bridge in Virginia has truly withstood the test of time.

An enormous warehouse filled with parade floats collected from over 50 years of patriotic celebrations.

The nearly 120-year-old piece of pork wears a brass collar and was once a man's "pet ham."

Paranormal investigators claim this abandoned asylum is the most haunted spot in the eastern U.S.

This once-palatial plantation may have been the site where a draft of the Declaration of Independence was written.

A railroad tunnel that, upon its completion, was considered one of the engineering marvels of the modern world.

This maze-like slot canyon is a unique gem within an already fascinating geological area.

A 300-yard long natural tunnel runs through a ridge deep in the Appalachian Mountains.