Places scienceballer Wants to Go

A tall karst islet popularized by 007.

This vertical pinnacle in China was the inspiration for the floating mountains in the movie “Avatar.”

The former Nazi Germany concentration camp stands as a museum to remember this dark chapter in European history.

A subterranean shelter remains intact under a busy Paris railway station.

Travel deep inside of Europe's second largest glacier in the world's largest man-made ice cave.

The birthplace of Karl Marx is now a museum dedicated to the communist revolutionary's life and work.

Its town washed away centuries ago, this lonely tower by the sea tells the tale of a mermaid and a curse.

A sinuous path among steep cliffs creates a stunning sight in southwestern Serbia.

A 19th-century subterranean reservoir repurposed as a contemporary art cave.

A subterranean playground in an abandoned slate mine.

This chain of artificial lakes was an ideal test ground for the aircraft that would carry the "bouncing bombs" used by the WWII "Dambusters" squad.

Old Danish castle immortalized in Shakespeare's Hamlet.

This ultra-modern wooden boardwalk turns the ocean into a swimming pool.

Once the tallest building in the world, this abandoned church is now a monument to the destruction of WWII.

Underneath a chalk hill in France lies what Hitler hoped would be the underground launching base for a devastating new weapon.

If they push on just the right spot, even the weakest person can move this titanic boulder.

There are plenty of wonderful panoramic vistas in Edinburgh, but not many are hidden smack in the middle of the Old Town.

Hidden just under the waters around this Turkish island are the ruins of a once great city.

A factory director designed what was the world's longest suspension footbridge in 1923 so his employees could get to work safely.

A tour of underground Berlin takes you through WWII air raid shelters and tunnels used to smuggle people out of East Germany.

Stay overnight in the world's most sleekly designed rabbit hole, free of charge.

This Tuscan lake hides a 13th century town that is still visible when the water recedes.

The largest flower auction house in the world.

A fairytale Gothic castle steeped in Nazi treasure conspiracy theories.