Places mascall Wants to Go

Now in ruins, this abbey was the home of Tironensian monks for more than 400 years.

A crumbling ghost town with prime views of the dam that doomed it.

Located more than 600 feet beneath sea level, this tunnel boasts the world's first undersea roundabout.

The heads of two giant mythological water horses honor Scotland's horselord past.

This abandoned mausoleum from 1815 sits deep within the forest surrounding Callendar House.

Old-fashioned knowledge and modern engineering create the world's only rotating boatlift.

This abandoned hospital village was once viewed as an innovative way to deal with mental illness.

This museum in the tower of the oldest church in Gdańsk, is home to centuries-old time-keeping devices and the world's first pulsar clock.

A collection of maritime artifacts from the world's first volunteer life brigade.

The biggest onshore wind farm in the United Kingdom.

Forgotten jail cells beneath this Scottish town hall are now used for delightfully artful storage.

A serene desert oasis speckled with ancient artifacts.

This amazing ancient cave was kept secret for seven years to protect it from the public.

At first glance, this area seems like just another city park, but the lush landscape hides a dark past.

This 38-drawer structure claims the superlative title, but it isn't the world's only giant filing cabinet.

Gliwice Radio Tower, likely the tallest wooden structure in the world.

The deepest hole drilled in the name of science, where evidence of Precambrian life was found.

Dr. Strangelove-esque tours reveal the inside a bunker once reserved for Stalin himself.

The now-overgrown beach resort was once frequented by Yugoslav military elite.

Longest fortress system anywhere in Europe.

Large, airy hallways hide within an impenetrable fortress that beckons urban explorers.

A forgotten monument to Yugoslavian freedom.

A Brutalist monument in the middle of a housing estate by artist Victor Pasmore.

This Roman archeological site is hidden amid a 1930s housing estate.