See massive fossils that are over 200 million years old in northeastern Arizona.

Featuring the the longest lift span of any vertical-lift bridge in the world.

Second largest wastewater treatment plant in the country.

This historic Massachusetts tavern played a critical role in the start of the American Revolution.

A whale of a public art display towers atop Juneau's cruise ship dock.

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

A historic freight system that found the true gold rush is in tourism.

Though strikingly beautiful, Seattle's other railway station is now largely forgotten.

The marker offers a rare chance to be in four U.S. states at once, though there's some controversy over its geographic accuracy.

A sculpture made of 10 Cadillacs as a monument to the “Golden Age” of the American automobile.

Once in disrepair, this popular Texas stop along iconic Route 66 has been restored to its past glory.

A grand Gothic Revival basilica with stained glass depictions of Montreal's religious history has only one soul resting in its crypt.

A wall of chewing gum moonlights as collective art.

A mouldering Colombian bull ring stands as a reminder of the country's complicated relationship with a brutal sport.

A quarter mile off the coastal tip of Maine you'll find the "Beloved Island" of Franklin Delano Roosevelt.

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

I-95's Tijuana-style celebration of kitsch at the Carolina border.

Once the tallest building in the world and the site of “the highest dinner ever held in New York” this building now holds the most expensive penthouse in the city.

Possibly the world's largest coin stands just outside of a Canadian science center.

This engineering marvel is the longest bridge in Canada and one of the longest spans in the world.

Iconic rock formations that allow for exploration during high or low tide.

Rusty red sands line the shores of this Canadian Province.

Go inside the house that inspired L. M. Montgomery to create one of literature's most beloved heroines.

The king of U.S. high points towers over every other peak on the continent.