A strange rock with a sinister reputation lurks within the crimson waters of this Scottish glen.

This picturesque medieval monastery guards a small trove of historic treasures.

A fairytale island floats in the middle of Italy's little-known Lake Orta.

A botanically themed auditorium blooms within the world’s last operating double-decker theater.

Crossing this suspension bridge feels like walking through the sky, a fitting tribute to the head of the Apollo program.

A long spiraling walkway winds through the woods, and around a copper beech tree at the center.

One of the foremost Sherlock Holmes collections is hidden away at a Toronto library.

An ancient city hidden in the heart of the Sierra Nevada mountains.

The Uros people live on floating reed islands in lake Titicaca.

A Parisian boutique devoted to la Sape, the elegant Congolese fashion subculture rooted in European colonization.

This museum houses an imposing skeleton army comprised of creatures great and small.

Three bridges and one giant canyon make up this fantastic Spanish settlement.

London's creepiest cemetery was once the site of dueling magicians and mobs of stake-carrying vampire hunters.

This astonishingly geometric cave has inspired everyone from Jules Verne to Pink Floyd.

An art world insider finds himself battling for his artistic home.

A tiled, multi-level garden of survival in Lyon.

Lyon, France is home to two remarkably preserved Roman theaters, one dating back to 15 BCE.

A colorful piece of contemporary art cheerfully clashes with Lyon's historical architecture.

Hundreds of hidden passageways weave through the old quarters of Lyon.

A library and museum dedicated to typography.

Carnivorous plants, medieval aphrodisiacs, and the largest original wood structure glass conservatory in the western hemisphere.

A speck of nature and art in one of San Francisco’s most notorious neighborhoods.

A nondescript building that's been functioning as a speakeasy for nearly a century and a half.

In this century-old literary safehouse, print is alive and well.