A mysterious castle built as a monument to lost love.

Islanders once used this dramatic, otherworldly landscape to hide their cattle from Viking raiders.

An ancient Scottish rock formation said to be the gravesite of a giant remains ensconced in legend and intrigue.

This southwest-styled home in Santa Fe claims to be the oldest house in America thanks to an ancient bit of foundation.

A serene garden path lined with 36 haiku stamped into clay stones.

Despite time, colonization, and the brutal New Mexican heat, these Pueblo ruins still stand.

Wedding chapel's mysterious spiral staircase said to be miraculously constructed.

Giant origami sculptures tucked into desert scenery beckon passers-by to explore further.

"I did this all while you were watching TV."

If drivers cross the rumble strip on this stretch of Route 66 at just the right speed it plays "America the Beautiful."

A sculpture of a flying hawk made from colorful car doors.

A burnt-out motel with priceless Native American artwork in the basement, redeveloped into apartments.

Australia's largest collection of rare and bizarre insects.

A New Zealand communications tower stands as the tallest structure in the Southern Hemisphere.

The gorgeous murals at this open-air museum form the largest street art collective in Chile.

The castle still holds traces of the abandoned Roman fort it was built atop.

Where layer cakes tower above one’s head and there is never a shortage of icing.

One of the largest ancient geoglyphs in the world is a tall desert god used for predicting the weather.

The gondolas let you glimpse a bird's-eye view of one of the world's highest capital cities.

Each year, one talented artist puts on a show sculpting twelve butter-based busts of dairy princesses.

This whimsical stacked cabin looks like something out of a children's book.

An Alaska livestock farm devotes itself to harvesting wool from creatures that once ran with mammoths and sabertooth tigers.

Siberian husky that delivered a life-saving antitoxin.

This small city where almost everyone lives in the same building can only be reached via North America's longest tunnel.