The oldest Jewish cemetery in Europe survived Hitler's Germany.

Site of one of World War I's most horrific scenes.

The biggest and deepest Cold War bunker open to the public can be found in southeast England.

A magnificent Victorian garden that brings the charm and style of old-time aristocracy to the 21st century public.

A 550-square-meter micro-nation off the coast of Britain.

Surreal riveted sea forts once protected the Kent shores from German attack.

This medieval castle overlooking the Elzbach river looks just like it did hundreds of years ago.

Between Neo-Pagans and Neo-Nazis, these strange rock formations have a curious cult following and a very strange history.

A fifth-century temple improbably built into the side of a cliff.

1,001 carved statues of the Buddhist God of Mercy, each with a unique face.

Where cemeteries are carved into the side of cliffs and infants are buried in the hollows of trees.

Hiding the longest subterranean river known in the world.

Ancient man-made caves underneath small town Belgium.

A resort destroyed by a mysterious bombing offers visitors only its remains and the riddle behind it's demise.