Go inside to really appreciate this 500-year-old technological masterpiece.

Geothermal waterfalls in Tuscany.

A controversial memorial at the place where Captain Cook met his violent end.

This unusual lava tube spouts seawater during high surf.

These ancient sacred grounds granted amnesty to those who managed to reach them.

This mom-and-pop Japanese sweets shop has been serving cloud-light mochi for almost a century.

These picturesque Hawaiian falls are home to a rare species of fish that uses a special sucker to climb up cliffs.

This black shoreline is made up of exploded lava particles.

A tunnel of hardened lava along Maui’s famous Road to Hana.

A hidden canyon deep in the woods of Indiana offers visitors a spectacular experience in nature.

This family mausoleum is steeped in symbolism and looks more like a fantasy location than a grave.

This coastal rock formation resembles a churning cauldron at high tide.

A giant Troll lurks under one of Seattle's oldest bridges.

Thomas Dambo's troll sculpture wears a crown with birdhouses on his head.

Nestled between a college and a golf course, the garden is home to more than 2,500 rhododendrons.

Hollowed out cedar log tubs set in an ancient towering forest.

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

Colorado’s most beloved glacier is an imposter.

The colorful, smiling concrete silos of Vancouver.

Surprisingly delicious Asian-style hot dogs.

A working steam clock, one of only a few in the world, located in Vancouver's Victorian Gastown.

The eerie remnants of an ancient forest were hidden under the sand for centuries.

Hundreds of painted rocks dazzle this small beach where adding your own is encouraged.

Climb inside an iron crystal magnified 165 billion times its normal size.