The site of London's first coffee house has been serving refreshments of one kind or another for 360 years.

A historic observatory precariously perched at the "Top of Europe."

Natural history museum displaying a famous taxidermied St. Bernard.

Caves famous for the dragon-slaying saint who lived there.

This private skyway is filled with art and was expanded explicitly so that Hitler could appreciate a river.

Venice's "Island of the Mad."

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

Go inside to really appreciate this 500-year-old technological masterpiece.

The plague quarantine island home to the alleged "Vampire of Venice."

Venice's island of the dead.

Around 100,000 bodies are buried below the medieval headstones, many of which mark graves with multiple bodies stacked up to 12 deep.

Despite attempts by local police to discourage it, Beatles-inspired graffiti has been a means for artists to air grievances for decades.

The history of occult science is turned into a creepshow at this lurid Prague tourist attraction.

A fascinating insight into daily life in the Eastern Bloc.

The most visited, and possibly most controversial, museum in Germany.

This historic Amsterdam bar used to accept sailor's monkeys as payment.

Notorious artist squat renovated into legal studios.

Rainforest filled with record-holding eucalyptus.

An Australian lake whose pink hue defies scientific explanation.

The Australian lorikeets that like to tie one on in an annual drinking binge.

This giant boulder is pinched over a 1000-meter abyss by two mountains.

On the Oregon coast there is a natural hole that seems to be draining the sea.

Wondrous sandstone hoodoos where Native Americans collected clay for pottery, 9,000 years ago.

A part of the world's largest marsh seems to be growing bright red Martian grass.