The world's smallest park was dedicated in 1948 as the only colony for leprechauns west of Ireland.

This charmingly homemade amusement park has been growing for 40 years.

The deepest lake in the United States, and once the site of epic destruction that lives on in legends.

This extinct shield volcano is the lightning rod of the Cascades.

Law-protected wreckage serves as a peculiar memorial for an almost forgotten World War II tragedy.

One man has installed bathtubs into the Utah desert floor to harness the powers of a natural hot spring.

This crumbling stump is all that remains of what was once thought to be the oldest living organism.

A crumbling Beaux Arts monument to the Bay Area's age of rail.

Rivers of cattle blood gone, a strange Escheresque building remains, the last of its kind.

A studio devoted to keeping hundreds of unique Chinese arts alive.

Nationwide network of co-ownership underground catastrophe shelters.

Carved by a waterfall in a hard-to-reach rock formation, this heart-shaped rock has inspired romantics for decades.

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

An artist's vision for connectivity spans seven continents and 16 countries.

An eclectic trailer park retreat in the middle of the California desert.

Putt your way around Australia in a black light environment.

A fifth-century temple improbably built into the side of a cliff.

The world's longest outdoor escalator takes visitors to the top of China's largest dam and is also shaped like a dragon.

This Chinese museum proves that it's a watermelon world, we're all just living in it.

Beijing's expansive subterranean hiding spot now crumbles away as a tourist destination.

A trash dump made beautiful by nature's power.

The longest living non-clonal organisms on Earth.

"Only the devil could play golf here."

Dyed by iron oxide over centuries, these sandstone rocks rise thousands of feet into the sky.