Southern Italy's spinning top village.

A tunnel dug through the side of a mountain by hand provides convenient yet death-defying access to a small village in China.

Enormous underground chamber built to detect 'ghost particles' of the universe.

A sculpture for the sun and stars, created by Nancy Holt.

A peaceful place in the woods where everything is a work in progress.

An invitation-only museum of items natural and bizarre, arcane and exotic.

The original home of the Lego has a huge amusement park dedicated to the iconic plastic toy.

A cave dug by a man directed by ghosts to find pirate treasure.

Island where motor vehicles are banned -- home to the only carless highway in the United States.

An ancient stone fortress considered by many to be the eighth wonder of the world.

Once thought to be the mysterious work of a witchy prophetess, a well with unusual properties turns objects into "stone".

A world-class observatory in the California desert.

Blackfoot petroglyphs of southern Alberta which date back as far as 7000 B.C.

One of Japan's most famous sights, the bridge was originally built in 1673.

A hotly contested micro-nation off the coast of Montserrat.

Turnip-shaped island just off the Michigan shore in Lake Huron.

A 14th century bridge built as a fortress, where the devil lurks on one of its towers.

Dramatic river bend surrounds a natural red-rocked pedestal.

The world's largest mountain carving could fit all of Mount Rushmore inside it many times over.

A 15th-century granary that played the role of futuristic slave quarters in the world of 'Star Wars.'

An unoccupied lighthouse encased in layers of ice from the waters of Lake Erie.

Largest Roman Catholic church in North America.

The oldest continuously inhabited street in America.

66,000 pieces of art, donated by one of the world's richest men.