San Francisco's oldest operating hotel, with a Victorian atmosphere and a "haunted" fourth floor.

An ordinary pond with fish from out of this world.

The largest and most famous wax anatomical collection anywhere in the world.

Think you have a tough job? Try carrying 200 kilos through a cloud of sulfur down the side of a volcano.

The world's largest model of our planetary system.

An 80-year-old house built out of newspapers.

The largest hewn stone in history.

Packed to the ceiling with antique taxidermy and hunting arms.

A city built from mud and known as the "Manhattan of the desert."

The closest thing to Mars on Earth.

An auroral research program that superheats the ionosphere.

This historic tower in the California desert promises visitors a "vortex of good vibes".

A sealed test tube said to hold Thomas Edison's dying breath was given to the inventor's friend and mentee, Henry Ford.

A hidden garden of stones engraved with scriptures, a Joseph Smith Sphinx, all carved by one man.

One of the world's largest ice festivals dazzles visitors for over a month with radiant sculptures and carvings.

If there is one thing you don't want to be in Sweden during Christmas, it's a Yule Goat.

San Francisco's urban bison herd has persisted in the face of extinction, development, and disease.

The "world's biggest dinosaur" once housed a creationist museum in its abdomen.

This spacecraft-shaped water tower is only a part of the mysterious UFO mania in this Brazilian town.

Trick water gardens from 1619 featuring a 200 piece mechanical theater powered by water.

A sculpture of a giant hand reaches for the stars in the middle of the Atacama desert.

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

The middle finger of modernity.

This Scottish bridge seems to compel dogs to leap to their death.