Enormous crabs, bioluminescent jellies, and other amazing creatures from the ocean’s depths—some of which are in an aquarium for the first time ever.

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

Steinbeck's old stomping grounds, immortalized in Cannery Row.

A poignant memorial to a young boy whose death spurred a dramatic increase in organ donations in Italy—dubbed the "Nicholas Effect."

Inside this striking glass building, visitors can see thousands of dinosaur fossils in the positions that nature deposited them more than 150 million years ago.

It's safe—and permitted—to walk across these twin natural sandstone arches.

More than 7,000 gallons of water pour over these cascading red quartzite waterfalls every second.

A tunnel with windows, so you don't miss out on the impressive views.

These 100-year-old tunnels in downtown Provo house artists, restaurants, and a few surprises.

Originally conceived as part of a proposed Arizona State Capitol building in the 1950s, this structure built in 2004 stands as a monument to the architect's legacy.

A monument to the three wars that led to German unification towers within a Berlin traffic circle.

A restaurant and observation deck built in a unique broadcasting antenna.

This lonely gas station has stood at this location since 1917.

The only ski tunnel in North America provides easy access to amazing snow and beautiful views.

Giant, natural amphitheaters made of delicate geological formations called "hoodoos."

This church was constructed by a shipbuilder and designed like an upside-down boat.

Built at the turn of the 20th century, using bricks made and fired from clay found on the property.

This set of three large, volcanic hot springs is a favorite haunt for intrepid divers.

The highest point in Arizona is an oddly snow-topped peak within the otherwise arid state.

When it was built in 1929, this historic bridge was the only place to cross the Colorado River for 600 miles.

Crafted in 1911, this steam locomotive spent its entire working life in Flagstaff.

The world's only teal arches exist in a city that cares more about its aesthetic than an Instagram influencer.

A Norwegian-born sculptor created these soaring guardian angels at the entrance to Hoover Dam.

Hundreds of drawings left by the land's previous inhabitants remain mysterious.