A giant Troll lurks under one of Seattle's oldest bridges.

Each year these high desert hills are absolutely covered with poppy flowers in a surreal show of nature.

Smooth basaltic rocks tell a tale of ancient glacial waterfalls.

Eons old volcanic activity created one of the most stunning rock formations in the United States.

The second tallest railway trestle bridge in America.

The United States’s oldest funicular railway glides up and down a steep Pittsburgh street.

Former farm staffed by mental patients is now a public park.

A museum dedicated to a sea that should have never been.

Salt is slowly eating away this abandoned saltworks town in the desert.

This extravagant Art Nouveau rest stop features a million-dollar view of the Columbia River.

A roaring, awe-inspiring double cascade of icy water flows through woodland Oregon like something out of a Tolkien novel.

A heavenly experience, right here on Terra Firma.

This grand old 80-foot sequoia towers above the buildings in the city’s retail center.

Standing in a state of "arrested decay," this ghost town allows for a detailed peek into Gold Rush life in an unusually harsh climate.

Aqueducts have dramatically changed this old lake, now home to tufa towers and its very own species of tiny brine shrimp.

This naturally heated mountainous creek has created a group of neon blue pools of potentially deadly boiling water.

The tragedy of the Japanese internment camps is remembered here by a stark "Soul Consoling Tower."

A charming desert roadside bakery that produces 10 times more bread daily than it has residents in its town.

Historic funicular railway, believed to be the shortest railroad in the world.

Macabre headstones carved with winged skulls, dancing skeletons, and pithy reminders of impending death.

On a former island, this old fortification once used to protect the Boston Area and started Edgar Allan Poe in his military career.

The statue of John Harvard isn't actually John Harvard—or even, technically, the founder of the school.

The headquarters of one of the world’s longest-running humor magazines bears a noticeable resemblance to a head wearing a Prussian helmet.

This impressive Boston holy house is the American mecca for Christian scientists.