Rainbow-hued in the summer and crystalline in the winter, this salty lake has inspired battles, temples, and plenty of awe.

This giant boulder is sandwiched between apartment complexes in upper Manhattan.

A herd of 150 bison live on California's Santa Catalina Island and are at the heart of an ongoing debate between environmental protection and economic expansion.

A lovely aquatic park built by a one-armed Civil War veteran who made a fortune from lotuses.

This legendary urban waterfall creates a dazzling display of rainbows.

It should come as no surprise that the best view of the Hollywood sign is from Batman's lair.

A chain of 16 wondrous lakes formed as a result of the gradual dissolution of soluble layers of bedrock.

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

A palatial art deco restroom.

An abandoned underground bathroom is now a space for public art.

A piece of the iconic wall found an unlikely new home in a Vegas bathroom.

There are two legends behind the origin of this unusually tall sanitary structure.

This award-winning men's bathroom was just too beautiful to not allow women to see.

A public urinal so pretty, it was declared a national monument.

The fanciest public restroom in New York City boasts fresh flowers, art, and a classical music soundtrack.

Modern art meets modern convenience in possibly the world's most architecturally important public bathroom.

A masterpiece of LGBT art has been restored in what may now be the most valuable restroom in America.

Norway has built what may be the world's most beautiful public toilet.

A palace-fortress ruin in Indonesia complete with legends of two magical tigers, eight bathing angels, and a wish-granting cannon.

This obscure walkway links Edinburgh’s Old Town with one of the city's prime vantage points.

Large, airy hallways hide within an impenetrable fortress that beckons urban explorers.

An ethereal glowing blue ocean cave in Croatia.

This truly palatial work of Communist-era architecture now sits crumbling on a Croatian beach.

This spectacular track has run continuously since 1882.