This 17th-century street hidden beneath Edinburgh was once a breeding ground for the black death.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

A giant Troll lurks under one of Seattle's oldest bridges.

France's most famous cemetery, with some of its most curious tombs.

Famously misunderstood wonder of the ancient world

Northern Ireland's Brobdingnagian stepping stones.

This iconic Parisian bookstore doubles as the "Tumbleweed Hotel" for traveling writers.

A roaring, awe-inspiring double cascade of icy water flows through woodland Oregon like something out of a Tolkien novel.

The ghostly remains of an accidental sea.

A 100-year-old purveyor of curiosities, curios, and kitsch featuring mummies, shrunken heads, and a Fiji Mermaid.

A walk through the historic city center, under the streets of Seattle.

A 16th-century horror show built in a lovely Italian garden.

On the Oregon coast is a natural hole that seems to be draining the sea.

Flashy signs from Las Vegas’s past find their final resting place at this unusual graveyard.

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