Abandoned businesses, homes, and rusted cars are all that remains of this stopover town.

This once-popular otherworldly landscape was formed by one of the largest volcanic eruptions in history.

The first geometric self-supporting spiral stairs in Britain are a truly beautiful sight.

Two massive rock outcroppings on the Oregon coastline.

The deepest lake in the United States, and once the site of epic destruction that lives on in legends.

This lake in the Cascades lives up to its name, disappearing down a hole every spring.

Massive crater in central Oregon.

This eccentrically decorated palace is replete with grottoes, fountains, tunnels, and caves.

The fossilized remains of ancient California redwoods.

Under a glass sidewalk lie the remains of some of Manhattan's oldest buildings.

An Italian crevasse filled with abandoned buildings gives visitors a look at the world without humans.

This seaside Italian village doesn't just look Escher-esque, it actually inspired the mind-bending artist.

See just what life was like in a 19th-century prospecting town.

A former gold rush boomtown has managed to stay in business for over 100 ramshackle years.

A quiet country churchyard holds a monument to the last known sin-eater in England.

This scenic fortress dates back at least 2,400 years to the time of Magna Graecia.

Where a railroad loops under or over itself to rise or drop more than 70 feet in a short distance.

A magnificent, iconic stone tower in the Scottish Highlands.

A red-brick beacon stands against the tempestuous Atlantic, on the windiest site in the United Kingdom.

Spend the night in this formerly abandoned traditional Scottish village.

The remote resting place of a notorious Wild West outlaw whose death is shrouded in mystery.

Harry Potter once visited this massive limestone cliff, which was carved by an ancient glacial river.

Near this allegedly haunted pub, you can find strong spirits on the rocks.

These magnificent city walls rise from the barren sun-baked Spanish plains like something straight out of a fairytale.