This eccentrically decorated palace is replete with grottoes, fountains, tunnels, and caves.

The world's highest and most dangerous infinity pool lies at the precipice of Victoria Falls.

This Portuguese bullring is built right into the caldera of an island volcano.

The floorboard scrawling of a tragic madman is on public display outside a Paris hospital, much to the dismay of its opponents.

Madrid's romantically ornate crystal palace has been offering shelter to plants and art for over a century.

By day this New Orleans square is for pedestrians, but by night it is a kingdom of kittens.

This semi-hidden Manhattan restaurant is based out of a loading dock.

This odd Chilean waterfall-cano hotel must be entered via a rope bridge.

Empty, but not abandoned, this cavernous Brooklyn loading dock was once considered the largest individual building in the world.

There is an unmarked red button hidden over Houston's Buffalo Bayou that is just begging to pushed...