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

A historic area for shopping and dining in Ketchikan's former red-light district.

The first Russian Orthodox church in North America and an Alaskan landmark.

Considered by many to be one of the most dangerous highways in Alaska.

This exaggerated sculpture resembles a well known feature of Vancouver:

A pixel art killer whale is frozen mid-leap in this Vancouver square.

Four glass boxes hover over 1,000 feet in the air to give visitors an unparalleled view of Chicago.

In 2004, a Dave Matthews Band tour bus dumped 800 pounds of waste off a bridge and onto an unsuspecting tour boat below.

Mrs. Mallard and her brood are a beloved fixture in Boston Public Garden.

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

The first declared National Monument in the United States.

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

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

Decades before the scandal, this staircase on the river was a literal "water gate."

Look closely and you’ll notice that the color changes a third of the way up the tower.

This funicular railway rumbles along for a mile up the nearly vertical face of Chattanooga’s Lookout Mountain.

A bizarre roadside attraction and the first instance of miniature golf in the world.

The mysterious wonder of an underground waterfall is illuminated by multicolored lights.

Explore the largest pure gypsum deposit in the world, and go dune sledding while you're at it.

Hundreds of graffiti artists have decorated this flood-wall on the west bank of the Mississippi River.

Auburn's iconic eagle flight goes back to a 19th century eagle that dropped dead on the field after inspiring the football team to victory.

Pillars made of 700 pieces of luggage climb to the ceiling of Sacramento Airport's baggage claim.

Its dark depths conceal millions of rare, delicate crystal formations.

California's longest-running tourist attraction is a stump.