The world's largest private aircraft collection.

Every last book in this bookstore is signed by the author.

Where animatronic singing fish go to retire.

This memorial museum chronicles the apocalyptic destruction of the First World War.

A swath of France so devastated by war it is still forbidden to go there.

The ghost town left by the worst nuclear disaster of all time is being taken over by nature and urban explorers.

The ruins of a medieval monastery named after a type of tree.

A spooky and decrepit mental health facility is slowly being replaced with newer digs.

Underground tunnels remain beneath this abandoned mental asylum.

This hospital fell into ruins after failing to act as the advocate for the mentally ill it was designed to be.

Prison made famous by The Shawshank Redemption has been out of commission since 1990.

A particularly creepy abandoned hospital that sparks interest for lovers of the supernatural.

An abandoned asylum incorporated into a college campus.

Crumbling hotel echoes with the sounds of the '30s.

This neon blue river gets its color from a unique mix of bacteria and volcano minerals.

This secluded aqua waterfall in the Grand Canyon is the perfect swimming hole, and the Havasupai tribe's fiercely protected natural wonder.

Turnip-shaped island just off the Michigan shore in Lake Huron.

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

This historic hotel on Bathhouse Row in Hot Springs National Park has a storied history of gangsters and baseball greats.

Home to Alan Turing, the cracking of the Enigma code, and Captain Ridley's shooting party.

This stretch of highway is said to be haunted by ghosts of settlers whose graves were paved over.

This winding road of 318 curves is a must-visit for (careful) motorcycle and sports car enthusiasts.

The atmospheric road was never meant to be so creepy.

These ancient sunken lanes were naturally tunneled into the soft ground by countless footsteps.