Places caseyjacks Wants to Go

The longest and tallest aqueduct in Britain can actually be sailed across.

These haunting ruins belong to an ancient village that once had one hell of a view.

A modest stone circle in North Wales.

Detailed sandstone carvings show an array of symbolism and adorable animals.

This lonely cast-iron structure is the only wave-washed lighthouse of its kind left in all of Britain.

Abandoned ship reimagined as a street art canvas.

This neolithic stone grave has been altered and restored so often its now more neo than lithic.

The Stonehenge of Wales is one of the grandest neolithic dolmens still in existence.

The remains of centuries of copper mining appear like an alien landscape.

A 4,500-year-old forest is slowly being revealed from beneath the sands of a Welsh beach.

The highest peak in Wales is said to be the final resting place of a giant killed by King Arthur.

Picturesque ruins once held off mighty armies.

One family's environment-friendly hobbit-house in Wales.

The oldest continual pilgrimage site in Britain was supposedly created by a gruesome beheading.

A rocky sea serpent hides caves, blowholes, and a spectacular natural bridge.

The stately remains of Llywelyn the Great's mighty fortress.

A miniature Italianate fantasy village on the coast of Wales and the set of ITC classic "The Prisoner."

Three bridges straddle a stream, one stacked upon the other.

The decaying ruins of Wales' first asylum for the mentally ill.

What happens here stays here – unless it affects the whole world.

Salute the leader of the proletariat.

An uber-secure, windowless tower of doom in the center of Manhattan is an NSA spyscraper.

Gutted during the Liverpool Blitz, this architectural husk has been left destroyed in honor of the dead.

The signs of a long buried road can still be found hidden beneath a London sewer grate.