This bare tree might not have leaves but it is constantly clothed in festive decorations left by mysterious local benefactors.

Death comes to anyone who dares to touch this concrete column.

South Carolina's last remaining slavery auction house is now a museum devoted to its own tragic history.

A mysterious chasm in the heart of the ancient Roman Forum, the Lacus Curtius was once believed to be a gateway to hell.

The convergence of two currents makes this a surprisingly pleasant getaway in the Arctic Circle.

Natural history museum celebrating biodiversity with a parade of taxidermy animals.

A majestic lion statue guards this Parisian botanical garden, and feeds on an unsettling item.

Paths are maintained, but trees have taken over plots.

A beautiful geyser under environmental threat.

A semi-scholarly approach to sex.

The only structure left with direct ties to the Salem witchcraft trials of 1692.

The world's largest wooden structure.

The final resting place of the great navigator, or maybe his brother.

Breathtaking and huge 430 year old maps of Italy.

This massive blockhead sculpture hides an entire library.

Norway's oldest cathedral still in use.

This "preacher's pulpit" once used for pagan ritual, is home to a new, and dangerous ritual.

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

Housing the famous Norwegian ice-defying 19th century polar exploration ship.

One man's exploration of the human form, including the bizarre and delightful "Man Attacked by Babies."

Home to three historic ships from the age of Vikings.

An artist's mausoleum with a haunting echo.

A curious fountain that has no water and includes Satan, a crab, and 9 giraffes.