Moss and stone turn this waterfall into an otherworldly liquid veil.

World's largest cave was only discovered in 1991, and now offers tours to the public.

Iceland's "Smoky Valley" is a beautiful river that is shrouded in a constant cover of steam clouds.

This beautiful natural train tunnel is said to grant the wishes of visiting lovebirds.

Geothermal waterfalls in Tuscany.

Canyon walls shrouded in ferns.

Eons old volcanic activity created one of the most stunning rock formations in the United States.

Every autumn, this hillside is ablaze with red summer cypress.

Explore the largest pure gypsum deposit in the world, and go dune sledding while you're at it.

Rising from the sea like a stone monster.

This historic stone bridge has an entire neighborhood clinging to its sides.

Bohemian paradise covered in majestic forests.

The tallest sea cliffs on the Southern Hemisphere are a climber's worst nightmare.

Part modern art project, part traditional chapel, this see-through church is only substantial from the right angle.

270 million year-old forest of stone.

An unoccupied lighthouse encased in layers of ice from the waters of Lake Erie.

Countless stories attempt to explain Poland's mysterious J-shaped trees.

The Twisted Trees of Alticane are an unnerving grove of Quaking Aspen, apparently mutated from a single source, giving them a twisted and unnatural appearance.

This natural wonder drops 16 stories straight down through rare flora and streaming waterfalls.

Towering basalt columns, a creation of fire and ice.

This "dead marsh" sits among the largest sand dunes in the world, a forest frozen in time.

This wondrous waterfall rushing down a green-covered mountain wasn't discovered until 2010.

Submerged trees jut ghost-like out of an idyllic turquoise mountain lake.

Stunning wetlands ablaze with pink lotus flowers.