The land is full of geologic eye candy, such as otherworldly spires, mushroom-shaped hoodoos, and prehistoric fossils.

An abandoned railroad tunnel transformed into a creepy path for hikers and cyclists.

America's most famous museum of medical oddities is home to the remains of Albert Einstein's brain.

These abandoned waterworks are crumbling into the Potomac River.

This Victorian marvel of engineering and artistic prowess is nicknamed the "Cathedral of Steam."

This 12-seat movie theater is the smallest in the world.

Floor-to-ceiling frescoes by local art students cover the interior of a nearly 200-year-old church.

This Connecticut chapel is a starkly modern, and surprisingly colorful, architectural rebel.

One of the most scenic stretches of road in America winds between some of the country's oldest trees.

This local emblem is the oldest and largest dragon tree in the Canary Islands.

The only example of a Paris Métro sign in use at a subway station outside of the French capital. 

One man's dream has turned into this naturally growing chapel made of almost nothing but trees.

This concrete tangle of square pipes has stood as a proud thorn in the city's side since the '70s.

Fittingly, America's museum of architecture is itself a magnificently designed old building.

This antique shop specializes in the history of print and design.

Home to a dizzying array of letterpress blocks with a rich history.

More gold than anywhere else, ever.

Mysterious stone tower featured in many alternative histories of the New World.

An ode to Japanese artist Hokusai, with a bit of a comical twist.

From a neon Rapunzel to a bike traffic meter to a street fair color scheme, the most opened drawbridge in the US is a veritable art gallery.

A "sinister, whimsical, tacky, and really orange" public art installation hidden under a Seattle bridge.

This popular bar has been blurring the line between normal and edgy for more than 75 years.

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

Five varieties of trees with custom-designed grates around the trunk are planted along the route of the Seattle Transit Tunnel.