The fountain marks the area where hundreds of accused witches were burned at the stake.

A familiar otherworldly creature guards this 12th-century Scottish abbey.

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

A network of concealed passageways lies within a busy London Underground station.

This angular Dwarven tunnel cuts through a mountainside in Glacier National Park.

This tiny movie theater was the last one in the U.S. constructed in the Nuevo Deco architectural style.

This modern labyrinth lies in the shadow of a ruined medieval castle.

A former bastion of Rajput chivalry, this massive hill fort is the site of legend and tragedy.

England's steepest street has such a drastic incline that locals tie their parked cars to lampposts when it gets icy.

A cablecar-station-turned-revolving restaurant with 360-degree views of the Swiss skyline.

The abandoned funicular tunnel was a secret base for the BBC during World War II.

The land is full of geologic eye candy, such as otherworldly spires, mushroom-shaped hoodoos, and prehistoric fossils.

Grab a cuppa at England's first and only domestic tea plantation.

A sophisticated astronomical tower built by one of the greatest Persian scholars of the Islamic Golden Age.

Made famous by 'Star Wars,' these troglodyte homes face an uncertain future.

A historic beacon built in the aftermath of the worst maritime disaster on the Great Lakes.

A hidden workshop for creating and restoring Papal mosaic masterpieces.

The bookstore with bookshelves built into unlikely places.

Beautiful public park off the beaten path and away from tourists.

These termites have an large and deadly abode—impressive by day, dazzling by night.

This stunning Brazilian library contains the largest collection of Portuguese texts outside of Portugal itself.

This sculpture garden is a serene oasis wedged in the middle of a busy highway.

Taiwan's last Chinese character letterpress preserves the dying art of Chinese character mold making.

This stunning sea creature-shaped home blends into the landscape like a fantasy villa.