The farthest you can be in the contiguous U.S. from a McDonald's location.

Believed to have once stored either human remains or rice wine, thousands of mysterious stone jars lie in ruin.

Australia's largest traditional hedge maze features a Great Gnome Hunt.

The second-largest cave chamber in the world was discovered in 1898 by a 16-year-old and a friend known as "Pothead."

A micronation of epic proportions.

Various forms of phallic art decorate this hill in commemoration of legendary local tragedy.

More than 200 statues filled with cryptic symbols give this park spot an aura of horror vacui fantasy.

A science teacher's dream.

The world's smallest park was dedicated in 1948 as the only colony for leprechauns west of Ireland.

One of the world's most complex timepieces.

The deepest hole drilled in the name of science, where evidence of Precambrian life was found.

Giant money stones of Yap.

Man-made cave with enigmatic carvings, some say made by the Knights Templar themselves.

An icon among Florida's pre-Disney tourist attractions.

A giant Troll lurks under one of Seattle's oldest bridges.

Museum devoted to the artificial language of Esperanto.

A house carved into a rock in the 1940s.

An antiquated German apothecary on Chicago's North Side.

A military museum and library dedicated to the citizen soldier.

An enormous, inside-out glass globe built in 1935.

A museum glorifying the life of Stalin, located in the city of his birth.

Cretean quarry suggests real-life site for ancient Greek myth of the man-eating Minotaur in his labyrinth.

This modern French ossuary contains the jumbled bones of 130,000 WWI soldiers.

A stunning cemetery famous for its extraordinarily delicate & lifelike mourning sculptures.