An encyclopedic collection of mammal penises.

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

Iceland's largest lagoon is home to stunning multi-colored icebergs.

This fantastical waterfall is hidden in a cave located in a cracked cliff.

The unique waterfall in Iceland's south features a backdrop of geometric black lava columns.

Australia's largest traditional hedge maze features a Great Gnome Hunt.

The world's largest bamboo labyrinth is a living demonstration of the plant’s immense potential.

This Argentinian hedge maze is an intricate tribute to a famous surrealist author.

A huge maze complex and whimsical miniature village in Tasmania.

This pebble beach is so beautiful that taking its rocks is against the law.

A part of the world's largest marsh seems to be growing bright red Martian grass.

The first mountain submarine had its initial and last voyage in 1898.

The red crab exhibits one of the most spectacular migrations on earth, despite manmade obstacles.

A small granite monument marks where the borders of three countries meet.

Called the "Armenian Stonehenge," this ring of menhirs pierced with holes may be a prehistoric astronomical observatory.

A phenomenal assembly of pueblos in New Mexico is the most complete example of ancient ruins north of the border.

Nestled in an unassuming residential area, this "forbidden forest" is rumored to spirit away those who dare enter it.

This temple is steeped in local folklore involving a teakettle and a raccoon dog.

The most alien-looking place on Earth.

This is the last hand-cranked chain ferry of its kind in operation in the United States.

This bridge's unique architecture honors nautical heritage and encourages self-awareness.

A roadway designed for a visiting monarch.

The fifth-longest natural arch in the world, and the longest outside China.

Unlike most arches, this geological oddity formed in a volcanic dike.