Macabre headstones carved with winged skulls, dancing skeletons, and pithy reminders of impending death.

Highly spherical boulders on the shores of New Zealand.

This strange geological landscape erupts with sudden bursts of water.

Dolphins, ancient clams and hundreds of waterfalls make this one of the world's top tourist destinations.

A glacier pocked with ice caves and surrounded by rainforests.

New Zealand's epic shrine to all things puzzling.

A perfect turquoise lake colored with glacier dust.

Major tourist destination known for its bubbling mud-pools and hot thermal springs.

A New Zealand communications tower stands as the tallest structure in the Southern Hemisphere.

San Francisco's oldest surviving monument and meeting place for 1906 survivors.

Only hotel where you can legally launder money.

There are owls with glowing eyes in Herald Square.

There must be a pun in this haystack somewhere...

This historic address is home to the beloved ball and is an almost totally empty building among the most expensive real estate in the world.

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

This massive water spout has been luring visitors for hundreds of years, some to their death.

Three-story concrete ram with a permanent gift shop.

Come for the flowers, stay for the bats!

One of Australia's largest secondhand bookstores.

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

This trio of Australian rock spires may have inspired aboriginal legend or just modern tourism.

Macabre astrological automaton clock dating to the late 1400s.

This memorial commemorating fallen Swiss Guards of the French Revolution has been called the saddest stone in the world.