In the "Danish Capital of America," a replica of one of Copenhagen's most iconic buildings.

This lonesome Monterey cypress has survived centuries of wind, salt, and at least one attempt at arson.

Beneath the southern end of the Golden Gate Bridge is the “Gibraltar of the West Coast,” a fort built to protect the San Francisco Bay from naval attack.

Concrete strongholds stand guard over the Golden Gate.

This memorial commemorating fallen Swiss Guards of the French Revolution has been called the saddest stone in the world.

A 98-room castle in the middle of Toronto that bankrupted a 19th century electricity multimillionaire.

The walls and streets of the ancient city are peppered with penises.

Once America’s most beautiful army base, this abandoned military fort on the coast of Monterey Bay has been left to the elements.

This municipal playground was co-created by the father of one of the most playful characters ever.

L. Frank Baum wrote part of the "Wizard of Oz" series in this wooden Victorian beach resort.

It would be a crime to miss it.

Honoring the famed folktale author, this California museum looks like it belongs in the Black Forest.

California's oldest wind harp represents a historic piece of America's Danish history.

A rare chance to get up close and personal with a 13-mile ribbon of ice near downtown Juneau.

Upside-down trees serve as natural flower pots in this hanging garden of Alaska.

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

Known as the “Official Greeter of Juneau,” this dog still welcomes ships and their passengers to Alaska.

This statue once earned the distinction as one of the "Three Major Disappointments of the World."

The world's largest outdoor organ is played weekly by one of just two civic organists in the U.S.

One of the largest trees of its kind in California.

A historic Civil War estate-turned-museum looks back on the Confederate States of America.

A sculpture of the famous photograph stands on San Diego's "Greatest Generation Walk."

One man's quest for the ultimate road trip vehicle.

North America's largest accredited model railroad museum.