Topeka has its own great wall, and it's covered in colorful images from the city's history.

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

The Denny Substation has been called "the coolest substation in the world" and sits in a densely populated Seattle neighborhood.

This industrial area was the dumping ground for massive amounts of trash, some of which washes up as tiny bits of sea glass.

The glowing blue Nymphaeum of Emperor Tiberius.

Two stone columns flank the grand Venice square, but there were supposed to be three.

Iceland's largest lagoon is home to stunning multi-colored icebergs.

The most powerful waterfall in all of Europe.

A sulfuric martian landscape that looks far better than it smells.

This elegant arc of a waterfall marks a religious turning point.

If a glacial river suddenly diving into a sheer chasm via a dramatic, multi-stage waterfall isn't peak Iceland, it's certainly close.

This eye-popping Icelandic crater lake is surrounded by red volcanic rock.

Medicinal spa created with the discharge from a geothermal energy plant.

This portion of a lovely Belize beach is infested with (harmless) sharks and rays.

This blowhole is supposedly caused by a trapped monster.

This unusual lava tube spouts seawater during high surf.

A series of waterfalls and pools that flow through the 'Ohe'o Gulch and into the ocean.

A sculpture dedicated to the trade that gave the town its name.

After starting as a whimsical tourist attraction that eventually found its way to ruin, these renovated canals offer a lush and exotic locale on the Pacific Coast.

Experience a charming 1930's version of "infotainment."

A rare chance to get up close and personal with a 13-mile ribbon of ice near downtown Juneau.

Under the right circumstances, this waterfall in Yosemite briefly turns a luminescent fiery orange.

Prone to disastrous fires, the city of San Francisco has the Guardian, a fireboat gifted by residents, to watch over them from the bay.

One of nature's most well-scheduled phenomenons resides in Wyoming's Yellowstone National Park.