A massive volcanic plug is now a protected area that hosts a number of bird species.

One of the most elaborate displays of Jellyfish is on display at the aquarium.

Housed in a memorial lighthouse, this museum relays the history of surfing, beginning with the antics of royal Hawaiian teenagers.

The water swaps direction twice a day, whipping into a frenzy of whirlpools and rapids.

The longest and widest floating bridge in the world.

At the most northwestern point of the contiguous United States lies a trail leading through an ancient forest to stunning cliff-side vistas and massive oceanside caves.

Like your grandma's attic—if your grandma were a little weirder, extremely well-traveled, and had a great eye for art.

The colorful, smiling concrete silos of Vancouver.

This is an amazing but little known tile mosaic mural that used to grace the lobby of an office building in 1958, but now can only be seen from the second floor of a Shoppers Drug Mart.

This whimsical fountain pays tribute to Toronto's four-legged friends.

A miniature representation of Canadian cities and landmarks in incredible—and sometimes hilarious—detail.

Known as "Toronto's Flatiron."

One of the largest underground systems runs under Canada's largest urban center.

Ruins of a once-prized railroad station in New York.

This beloved marketplace mascot poops money and grants good luck.

Huge masonic hall in Philadelphia with lavishly themed rooms.

Mural made of 100,000 pieces of hand blown glass, and one of the largest glass murals in the US.

This charming colonial alleyway is one of the oldest continuously used residential streets in the U.S.

The first American department store, and home to the largest operating musical instrument in the world.

The sounds of the world's largest fully functioning pipe organ dazzle shoppers at a Philadelphia Macy's.

A tour de force of a fountain, memorializing a man who loved fountains more than anything else.

This sculpture of a fisherman spent six years at the bottom of the Schuylkill River.

Yo, Adrian!

Rummage through this sunken ship, but leave your scuba gear at home.