This permanent collection of preserved bodies taken from Irish bogs is one of the leading authorities on such morbid mummies.

A perfect turquoise lake colored with glacier dust.

This red lake 4,000 meters above sea level is home to rare flamingos.

This ghost town in Belgium will lose its street art when it ceases to exist.

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

The world's northernmost aquarium looks like it has fallen over.

The world's only complete colossal squid specimen is on display at the Te Papa Museum.

The former home of Samuel Clemens and family remembers the happiest period of the author's life.

A castle from the Holy Roman Empire that hosts traveling youth... in its stables.

One of the world's most complex timepieces.

A small museum filled with over 1,000 clocks, and one particular clock calibrated to run until the year 9999.

The prototype for all Nazi concentration camps.

A stratovolcano located in the south of Iceland, with a long history of charted activity and a rich mythology attached.

Three columns of volcanic rock shoot out of the ocean.

A small flooded ghost town with a few scattered structures remaining.

The ghost town left by the worst nuclear disaster of all time is being taken over by nature and urban explorers.

This abandoned coliseum was intended to be a grand Nazi rallying ground before it was halted at the end of the war.

From Ancient Rome to WWII, Neupfarrplatz has over 2,000 years of history underneath its main square.

A plaque marks the site directly below the mid-air detonation of the atomic bomb over Hiroshima.

A 400-year-old mummified arm dangles from the ceiling of St. James the Greater, serving as a warning to thieves.

Around 100,000 bodies are buried below the medieval headstones, many of which mark graves with multiple bodies stacked up to 12 deep.

Macabre astrological automaton clock dating to the late 1400s.

World War II-era Nazi compound nestled in the Santa Monica hills.