This neon blue river gets its color from a unique mix of bacteria and volcano minerals.

Experiencing Guatemala's sensory-exploding church is a blunt reminder of European influence.

This everlasting lightning storm may be the world's largest generator of ozone.

Like something out of a pulp adventure, this abandoned plane wreck is slowly being retaken by the Caribbean jungle.

The floor of the oldest surviving synagogue in the Americas is entirely covered in sand.

Twice a year, visitors can tour the desolate site that birthed the Atomic Age.

This museum started as a collection of Manhattan Projects and continues to add exhibits as they are declassified.

The ancient mosaics here are considered among the finest in the world, and serve as a stunning record of Greco-Roman daily life.

This no man's land slicing through the island is strewn with abandoned relics of another time.

Hundreds of enormous icebergs drift through this waterway every year.

Many Hindus make the long pilgrimage to this holy city to have their remains burned on the banks of the Ganges River.

A graveyard of old and rare planes that once were the glory of Persian aviation.

Colloquially known as “piss alley,” this narrow street filled with tiny bars and barbecue stands looks like it was pulled straight out of “Blade Runner.”

An ancient passage filled with stalls selling used books, once frequented by Vincent Van Gogh.

This historic Amsterdam bar used to accept sailor's monkeys as payment.

A historic observatory now an astronomy museum beautifully situated at the moat of the Middle Age city centre.

A island reachable by a causeway at low tide is possibly one of the earliest Western European locations to be identified in text.

This cramped crevasse saw the entire population of its island suffocated inside its depths.

This 1,300-year-old marker is one of the finest and most complete early Christian crosses in Scotland.

These fantastically named natural pools look like something out of a Scottish myth.

Regency-era excess on the English Coast.

WWII artifacts, including the building itself.

Both church and state get put to the torch in this annual festival in the "Bonfire Capital of the World."

Thanks to its heroic service during WWII this Soviet castle has been turned into a monument towered over by a brutalist titan.