A bust of Franz Kafka spins in pieces, reflecting the writer's inner torment.

An Italian hillside ghost town.

This unreal Portuguese palace looks as though it's made from a pile of different castles.

Strange rock formations tower above the river that snakes through this enchanting Icelandic canyon.

As can be expected from a centuries old church built in a canal city, the undercroft of this house of worship is beautifully flooded.

This eye-popping Icelandic crater lake is surrounded by red volcanic rock.

Iceland's largest lagoon is home to stunning multi-colored icebergs.

One of the tallest buildings in Iceland, and perhaps, the most visually impressive.

The world's longest known cave system.

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

A speakeasy takes on Chicago's drinking culture.

This eccentrically decorated palace is replete with grottoes, fountains, tunnels, and caves.

The unique waterfall in Iceland's south features a backdrop of geometric black lava columns.

Medicinal spa created with the discharge from a geothermal energy plant.

An emerald-green grotto just a short trip from Austin.

Perched above the bustling town of Kerak is a sprawling, ruinous castle that has witnessed nearly a millennia of Levantine history.

This cascade of mineral-rich hot springs and waterfalls is an oasis in the Jordanian desert.

Known as the "Valley of the Moon," this Jordanian wadi is one of the most amazing desertscapes on Earth.

The world's oldest map of the holy land gives us a fragmented glimpse of the layout of biblical nations.

A more chill but no less fascinating version of the famous ancient archeological site.

An ancient capital city that dates back 3,000 years old and harbors many surprises.

This city square dates back to the Scottish Enlightenment and was home to some of Scotland's brightest minds.

This Norman castle was once the site of a Victorian-era prison, and now exists as a luxury hotel.

The spot where Oxford garnered its name was also home to a medieval philosopher and includes a house covered in statues.