Handcrafted thermal spa washes away each night with the tide.

Two cannon-like cranes were installed on top of the bank building to fend off bad feng shui.

The medieval home is still engraved with the symbol of the profession, an eye flanked by two axes.

Macabre astrological automaton clock dating to the late 1400s.

An underground city of salt.

A little sculpture with a large wardrobe.

This one has sailed five times as far as Sir Francis Drake's famous ship.

One of Ireland's most infamous prisons for rebels including men, women and children.

The gorgeous library at Trinity College is home to remarkable treasures of Irish identity.

Two large-scale sculptures of Adam and Eve greet visitors in the nude at the Time Warner Center in NYC.

The walls are decorated with whimsical murals painted by the creator of the Madeline franchise.

This whimsical group of statues is a favorite of children who love to climb all over Lewis Carroll's beloved characters.

This mosaic dedicated to John Lennon was tended for years by a Beatles super-fan.

A former poultry store that looks like a giant duck and is one of the "seven wonders" of Long Island.

This 19th-century Hamptons windmill was once home to modernist painter Agnes Pelton.

A graceful natural rock formation stands astride the point where the Gulf of California meets the Pacific Ocean.

Once a black market electronics marketplace, now an otaku shopper's paradise.

This large sand dune in the Netherlands is home to wind-whipped trees with "floating" roots.

An Albanian monument to the Communism that nearly crushed the country is now a crumbling wreck.

This tiered waterfall is so pretty it may cause visitors to cry tears of their own.

Launched by Napoleon's soldiers more than 200 years ago, a cannonball remains embedded in the tower wall.

Baroque celebration of the end of the Great Plague of Vienna.

Museum celebrating the ocean, with the largest wunderkammer dedicated to sea exploration.

Dedicated to the art of hunting, with juxtapositions of contemporary art.