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

The fairy tale castle of the "fairy-tale king."

On the Oregon coast there is a natural hole that seems to be draining the sea.

Crystal clear lake with a shoreline of travertine located in a Colorado canyon.

Rippling sand dunes frozen in the Arizona rock.

A stunning, two-tiered waterfall made famous by poets, artists and the legend of a ghost dog.

A unique Holocaust memorial tells the personal stories of the Jewish residents exiled from greater Berlin.

Thousands of coffin-like pillars make up this controversial Holocaust memorial.

A tour of underground Berlin takes you through WWII air raid shelters and tunnels used to smuggle people out of East Germany.

This futuristic German spa allows visitors to float in a pool of salt water while zoning out to underwater techno.

An eerie, derelict amusement park in Berlin.

A unique hanging cable-car navigates through Dresden, the oldest suspension railway in the world.

When the rain falls, this drain system turns into a musical instrument.

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

A steam trawler with a whiskey-soaked history driven ashore in 1960 resides rusty but still standing on the shoreline.

The vast, legendary catacombs hold secrets much stranger than stacked bones.

A beautiful and abandoned New York subway station from 1904, complete with chandelier.

Hide from the tourist hordes in these relatively unknown, and unguarded lava caves.

A Hawaiian stairway to heaven—that you can't climb.

A small museum filled with over 1,000 clocks, and one particular clock calibrated to run until the year 9999.

Scattered throughout London are ancient remnants of the city's former bounding wall.

Banksy gives themself artistic license with this piece of London street art.

One of the few remaining casualties of the London Blitz, this destroyed church has become an enchanting public garden.

Kings Cross Station pays tribute to its role in Britain's best-selling book series.