Order bagels and lox from an iconic Jewish delicatessen with nearly a century of history behind it.

London's creepiest cemetery was once the site of dueling magicians and mobs of stake-carrying vampire hunters.

Once-buried markers show England’s lowest land point keeps getting lower.

Man-made cave with enigmatic carvings, some say made by the Knights Templar themselves.

Numberless clock creates a meal of time for the dreaded, insectile Chronophage.

The Cambridge pub where Francis Crick announced that he and James Watson had discovered the DNA double-helix.

A seaside castle complex that stood through centuries of conquests.

The remains of a military communications outpost still stand on this Greek island.

This 200-meter-high waterfall marks the site of Achilles’s immortal baptism at the mouth of the River Styx.

Τhis feline monument commemorates fallen soldiers on a field that saw many, many battles.

An Art Nouveau gem hides beneath the layers of city grime obscuring this once-magnificent building.

One of London's lost rivers runs through a pipe over the tracks of this subway station.

The ruined remains of the airport Claus von Stauffenberg departed in his failed attempt to kill Adolf Hitler.

This Ukranian fortress is one of the best-preserved medieval castles in Europe.

This hidden fortress has been coined the "City of Ghosts."

The spectacular Roshen Fountain show lights up the night sky all summer long, until it "hibernates" under the ice waiting for spring to come.

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

This attraction was abandoned after the Chernobyl disaster.

A huge Soviet-era robotics factory in the outskirts of Pripyat, now long-abandoned.

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

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

This derelict superstructure was a very important warning system for the Soviet military.

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

Sculpture that doubles as a time capsule so that life can survive radiation outside Chernobyl.