A rugged lava field dotted with molds of the ancient pines that were growing when the volcano erupted.

Two massive rock outcroppings on the Oregon coastline.

This grinning pup statue is all that's left of what was once a ubiquitous Bay Area diner chain.

This stunning limestone waterfall is the highest in Estonia.

A spectacular cave and a beguiling lake.

Hidden in a secluded Greek cove is a pristine beach marred only by the rusting smuggler's hulk stranded on its shores.

A replica of the home of a famous fictional troll family.

This secret collection of the strange and occult was rediscovered in a forgotten room of an old house.

The Dalai Lama named this New Zealand landscape the "Spiritual Center of the Universe."

This strange geological landscape erupts with sudden bursts of water.

This unusual rock formation looks like an apple that has been neatly sliced in half.

Some of the clearest water anywhere in the world.

These phallic stone spires once served as Tolkien's Paths of the Dead.

A galaxy of glowworms—larvae of a gnat—hides deep in the belly of these caves.

Nature's slip and slide.

New Zealand's west coast is one of the best places in the world to view these large seabirds.

This electric green sulphur lake in New Zealand looks like a cartoonish radioactive dump site.

Major tourist destination known for its bubbling mud-pools and hot thermal springs.

One man's dream has turned into this naturally growing chapel made of almost nothing but trees.

The explorer Captain Cook may have named it White Island, but the Maori call it Te Puia o Whakaari – The Dramatic Volcano.

The platform atop this verdant volcano was built with the help of a royal elephant.

The real life Hobbiton, this sheep farm has been forever transformed since being built for The Hobbit film series.

An enormous dragon scales the walls of this 17-story temple.

Since ancient times these picturesque springs have been providing bathers with healing waters.