Rocks

At high tide, the base of the lighthouse covers practically every inch of the island.

A unique form of erosion created an uncanny landscape of boulders perched atop slender columns of clay.

A local scoured more than 1,000 acres for stone to create his masterpiece.

This imposing tower named after the mythical sword of King Arthur is considered the tallest freestanding climbing wall in the world.

One of the largest ochre quarries in the world, hidden in a limestone landscape.

After suggesting criminals be burned to death on this rock, a king's advisor suffered his own punishment.

Eastern zen meets Western grit in these four little trees growing out of a rock on Lake Tahoe’s Nevada shore.

A county library in rural Ohio houses one of the finest mineral collections in the world.

Giant pinnacles in the sun-scorched lands of Southern Utah have been nicknamed "white ghosts."

A massive cross stands as the sole resident of this water-locked Crimean crag.

Raging waters have created a strange geological site that looks like something off of a progressive rock album cover.

If they push on just the right spot, even the weakest person can move this titanic boulder.

Natural stone arches form a walkable "cathedral" at low tide, then disappear entirely when the water returns.

The site of the first couple's first kiss is commemorated by the most adorable presidential monument ever.

According to legend, you must remain completely silent while passing this man-made mound or suffer the consequences.