An emerald-green grotto just a short trip from Austin.

A mysterious light floating in the trees of Arkansas may be a piezoelectric effect.

This futuristically sylvan church is a glass-enclosed marvel of modern architecture.

American bison herd descending directly from a Bronx Zoo breeding program that saved the species from extinction.

The fictional star of "Breaking Bad" is memorialized with a real-life gravestone in his hometown.

This repurposed church offers a more literal way to get closer to the heavens.

Nestled atop a wind-swept crag in the Scottish Highlands is a lonely memorial to a beloved hiker.

A secret door leads to this cozy dive that sells only “milk.”

The community pools that the community refused to give up on.

Come for the oysters, stay for the priceless art honoring inventors across history and Scotland's favorite outdoor sports.

The only fixed chain and post trail in Scotland snakes its way along the base of a towering seaside cliff.

Scotland's only funicular railway is also the United Kingdom's highest.

This observatory within Europe's first dark sky park offers stunning views of the night sky.

This ethereal, rainforest-like gorge is home to waterfalls, quaint bridges, and fairy folk.

A pub that is literally in the middle of nowhere, but continues to do business.

Large-scale contemporary artworks tower over fields and lurk in forests around a Jacobean manor house.