A massive cave complex boasts some of the clearest water (and most charming bats) in the world.

A disconnected rotary phone for "calling" lost loved ones offered a unique way of dealing with grief in disaster-stricken Japan.

One of the most poignant ruins of the Chernobyl nuclear disaster, the local football team's stadium has been quickly reclaimed by nature.

The site of the Wellington avalanche, one of the America's worst railroad disasters.

This alley in downtown Chicago held the bodies of over 600 people after the fateful Iroquois Theatre fire.

The last planned Soviet city was built for the former residents of Pripyat after the Chernobyl disaster.

One of the last remnants of the Bessemer process that revolutionized steel production during the industrial age.

Seemingly straight out of a fairy tale, a steel chair sits on a tiny island only accessible by stepping stones.

It's known as the "Full Monty school" thanks to its role in the beloved British comedy film.

This commercial and retail center was crafted from walled military barracks.

Three memorials honor the victims of the worst sports stadium disaster in Britain.

An imposing statue of the first prime minister of Antigua and Barbuda stands in the middle of a traffic intersection.

A hotly contested micro-nation off the coast of Montserrat.

A city continually buried under the ash of a volcano that has been erupting for more than 15 years.

Legend says those who drink from this trickle of water are destined to return to Montserrat.

George Martin's Caribbean recording studio now rots within the shadow of an active volcano.

The worst flood disaster in Welsh history might have been a lot worse if it had not happened on movie night.

The dining hall that nourishes workers in Chernobyl's Exclusion Zone is also open to visitors.

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

A unique collection of Western and Japanese-style graves.

This historic castle was already in ruins by the 13th century.

The biblical sculpture honors those who lost their lives, homes and communities to the Chernobyl disaster.

This former mining town was named the most toxic town in America.

Toxic waste disaster that founded the Superfund program.