The land is full of geologic eye candy, such as otherworldly spires, mushroom-shaped hoodoos, and prehistoric fossils.

As can be expected from a centuries old church built in a canal city, the undercroft of this house of worship is beautifully flooded.

This Venice bookstore has resigned itself to constant flooding by keeping its books in bathtubs and boats.

Unusual books about food and drink abound in this 19th-century New York townhouse.

This beautiful example of Victorian engineering is the oldest water-balanced funicular anywhere in the world.

A collection of outdoor mystical statues paying homage to indigenous Australians and ecological stewardship.

Strange rock formations tower above the river that snakes through this enchanting Icelandic canyon.

Possibly the oldest living thing in Europe, more likely a pagan survivor.

This stunning natural double arch, the largest in the Alps, went undiscovered until 2005.

This tiny little cave was said to have been a refuge for a saint with a glowing arm.

One man has carved a number of natural New Mexico caves into psychedelic sandstone temples.

There is a strange little carving of a person seemingly crushed by a pillar behind the remains of St. Thomas Aquinas.

A turquoise lake within a volcanic crater.

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

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