Earth's tallest volcano is sacred to Native Hawaiians, and home to a dozen world-class observatories.

Few other hotels can rival the grandeur of the Castle in the Rockies.

Fossils, railroads, and waterfalls!

The largest cave shaft in the world is home to thousands of birds and popular with BASE jumpers.

Extraordinary sculpture garden created by an eccentric English poet.

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

This "second" cemetery represents New Orleans' attempt to keep cholera at bay.

One of the only Florida forts to remain in the hands of the Union all through the Civil War still stands as a historic stronghold.

This space rock fragment is one of the only meteors to have ever struck a human.

The terrified face of Henry Wells is etched on this garret window.

148 feet long and in the middle of a verdant forest.

A 56-foot tall statue of the god of fire looks out over Birmingham, Alabama.

Once one of the largest producers of pig iron in the world.

One person's lost luggage is another person's treasure.

Bananas are often left for the first monkey America ever recovered alive after being launched into space.

What else would you call a playground hidden in Alabama's oldest and largest cemetery?

This monolithic slab of art metal crowns a German slag heap.

Europe's largest prehistoric mound – burial site of a legendary king?

The largest stone circle in the world has ended up bringing up more questions than it has answered.

This hilarious English intersection is an automotive whirlpool.