Kings Cross Station pays tribute to its role in Britain's best-selling book series.

Eccentric concrete mansion and museum designed and built by hand from the inside out.

The celebrated eyesore created by starry-eyed sweethearts.

This skewed English house has looked like it's going to fall over for centuries.

This short bridge is the only thing connecting a tiny Irish island to the mainland.

Northern Ireland's Brobdingnagian stepping stones.

Mysterious rocks that ring musically when struck.

A toxic ghost town sitting atop a massive coal fire.

The world’s first penitentiary, meant to be humane, drove men insane.

The vast, legendary catacombs hold secrets much stranger than stacked bones.

There aren't too many operational funiculars around, but Pittsburgh has two!

The United States’s oldest funicular railway glides up and down a steep Pittsburgh street.