The longest hedge maze in the world.

Construction of Barcelona's iconic (but controversial) church is expected to be completed in 2026—a century after the death of its architect.

The largest free-standing aquarium in the world resides in a hotel lobby in Berlin.

A museum of carnival attractions where you are invited to ride the rides.

An unusual round church in London with a Templar past.

Kings Cross Station pays tribute to its role in Britain's best-selling book series.

A church that bred legends, and served as an inspiration for the Da Vinci Code.

Renaissance villa and gardens complete with a tormented colossus.

Ruined 11th century abbey built by King David I in Edinburgh, Scotland.

A museum of magic with a Sadist past.

Venice's "Island of the Mad."

A beautiful but toxic fountain of mercury.

A fantastic castle rumored to be the birthplace of King Arthur.

The atmospheric road was never meant to be so creepy.

Stalactites and stalagmites in a beautifully lit cave.

The gloomy ruins that inspired Bram Stoker to bring Dracula to life.

Pompeii's less famous neighbor is still revealing her secrets.

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

The ancient tomb acts as a calendar that keeps perfect time.

A surreal museum of extraordinary industrial objects.

Ruins of a German Castle on top of a towering stone pillar.

The bizarre visions of H.R. Giger, tucked away in a Swiss medieval city.

Weird wax anatomical models reside here, as do other anatomical specimens.

A submerged archeological park still holds the wonders of a Roman Sodom.