What's that on the side of that building? Va Va Voom, it's Bettie!

A psychological self-portrait in the form of a giant, segmented head.

Ireland's most remarkable collection of these curious cone-shaped houses is worth the buzz.

These tenacious 14th-century towers defied demolition and are now a fairytale vacation rental.

This massive and unusual rock formation near Okotoks is the world's largest known glacial erratic.

The granite head appears to be deep in thought and half buried in the ground.

This natural wonder is disappearing at an alarming rate.

The world's largest dark sky preserve is a Canadian park established to preserve the country’s wood bison population.

A hidden church in a hidden courtyard tells the story of the Miracle of Amsterdam.

The world's largest fire hydrant is supposedly tornado-proof.

The record holder for the world’s largest peach.

For 150 years one family has been producing the iconic hot sauce on a bayou island made of salt.

Rare wooden escalators lead deep down into an otherwise staggeringly monotonous tiled tunnel.

The world's oldest surviving music hall was also once a freakshow.

"Respectful to the dead, safe and sanitary to the living, dedicated to the Genius of Memory..."

Enormous lake at the bottom of a unique cave system.

The tech giant built three enormous glass orbs in Seattle so employees could work inside a rainforest greenhouse.

Whisper secrets in a busy station only to be heard on the other side of this acoustic arch.

A sign at the end of the Santa Monica Pier marks the traditional end of the legendary American highway.

This stunning concert hall has become a symbol of Iceland's national recovery.

This valley of hot springs and boiling mud pots is home to the record-holding "Geysir," which originated the English word.

Medicinal spa created from the mineral-rich runoff of a geothermal power plant

This palatial spiral staircase was so unusual the name "snail" was given to the noble family who built it.

The last remaining relic of San Francisco's glittering 1915 Panama Pacific Exposition.