A massive sea stack famous for its appearance in The Goonies.

Only known mainland rookery of the threatened Stellar sea lion.

A roaring, awe-inspiring double cascade of icy water flows through woodland Oregon like something out of a Tolkien novel.

The deepest lake in the United States, and once the site of epic destruction that lives on in legends.

An abandoned network of military bunkers and tunnels open for anyone willing to descend into the darkness.

A rare tour of a commercial jet assembly plant, held inside one of the largest buildings in the world.

The small town of Poulsbo in Washington state is the next best thing to the Kingdom of Norway.

This famous bridge twisted itself into oblivion, but not for the reason you might think.

The tiny church offers succor to travelers driving by, but only eight at a time.

A copy of the famous statue can be found in this Florence piazza, along with one of the most breathtaking views of the city below.

This bronze boar's snout has been rubbed to a golden sheen by visitors seeking good fortune.

This private skyway is filled with art and was expanded explicitly so that Hitler could appreciate a river.

The small peaceful island off the Venice tourist circuit is where the city began more than 1,500 years ago.

A stone face watches over the river.

Equal parts record-breaking temple to consumerism and bizarre fun park, it's more than you think it is...

A fitting attraction for the corn capital of the world.

The granddaddy of all tourist traps, built on ice water, jackalopes, and a giant dinosaur.

The world's largest mountain carving could fit all of Mount Rushmore inside it many times over.

Megachurch turned Catholic church comprised of 10,000 glass panes.

Quite simply the largest tree in the world (by volume).

A walk-in working camera obscura produces 360-degree live images of the San Francisco coast.

Aqueducts have dramatically changed this old lake, now home to tufa towers and its very own species of tiny brine shrimp.

A hotel and restaurant serving as the mecca of kitsch.

A "gravitational anomaly" located in the redwood forests just outside of Santa Cruz, California.