Canyon walls shrouded in ferns.

One of the most breathtaking railways in Europe also takes one of the steepest climbs, from fjord to mountain plateau.

The world's northernmost aquarium looks like it has fallen over.

A naturally occurring tunnel in this Nordic mountain makes it look like it's been shot.

World's strongest whirlpool.

The former home of Norway's greatest romantic composer.

Housing the famous Norwegian ice-defying 19th century polar exploration ship.

Across the Pacific in a raft, a museum dedicated to Thor Heyerdahl's now legendary expedition.

One man's exploration of the human form, including the bizarre and delightful "Man Attacked by Babies."

Home to three historic ships from the age of Vikings.

These delicate buggers are some of the rarest fossils that have bubbled up from the Tar Pits.

Berthed at the Charlestown Navy Yard in Boston, "Old Ironsides" is the oldest commissioned warship still afloat.

The design of this beautifully crafted building was inspired by Norwegian glaciers.

The American Revolution was galvanized into serious action due to the tragic clash with British soldiers that occurred at this location.

This monument on Breed's Hill proves that one of the most famous battles of the Revolutionary War is misnamed.

The homestead of American patriot John Adams.

A favorite with sightseers and locals alike, this Norwegian funicular provides easy access to a stunning view of Bergen and its environs.

This massive crater in the middle of nowhere was used to train astronauts for moon landings.

Designed by Buckminster Fuller, this relic of the 67 Expo survived fire and ice.

A son's promise to his dying father in the form of a covered bridge filled with thousands of seashells.

This secluded aqua waterfall in the Grand Canyon is the perfect swimming hole, and the Havasupai tribe's fiercely protected natural wonder.

An inconspicuous footbridge beloved by San Diego locals.

This midcentury LA bar was the birthplace of tiki culture.

This historic hotel invented the chocolate brownie.