A miscalculation turns a very shallow freshwater lake into a very deep saltwater lake.

A Maori village obliterated by an 1886 volcanic eruption.

The plague quarantine island home to the alleged "Vampire of Venice."

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

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

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

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

Standing in for the first ship to navigate the Northwest Passage.

Final resting place of Antarctic explorer Ernest Shackleton.

Where Stoddart and Connolly suffered in the infamous Bug Pit.

Montreal's colorful subway station shows its support of the local LGBT+ community.

A historic Montreal market that was the city's agricultural hub for over century.

Now abandoned, this stone church was part of the missionary efforts that initiated the Christianization of Zambia.

This small Arkansas town once had a close encounter with the Beatles, and are determined never to let anyone forget that. Ever.

Once an ambitious nature spa, these forest ruins now provide a serene monument to failure.

European castle ruins in an American state park are actually the product of death and grief.

A peaceful place in the woods where everything is a work in progress.

The show pony of cave systems, Fantastic Caverns manages to live up to its name.

This micronation's flag honors its favorite drink, Kaffegöken, or "cuckoo-coffee."

Stone carvings record the Norse myth of Sigurd, providing a glimpse into Scandinavia's transition from paganism to Christianity.

"Only the dead get off at Kymlinge."

This Swedish astronomical clock was in storage for almost a century before its glorious workings were put on display once more.

For a couple of months each year this Swedish city turns into a festive neon phantasmagoria.

The single richest source of elemental discoveries in the world.