A island reachable by a causeway at low tide is possibly one of the earliest Western European locations to be identified in text.

A unique collection of gilded age mechanical pianos.

An Amsterdam street lined with antique shops each one dedicated to a different obscure collection.

This ruined 15th-century hermitage is steeped in myth and mystery.

Staves, storm-calling, and of course, necropants.

Rising from the sea like a stone monster.

This former farm In northern Iceland is now a museum, where visitors can tour beautifully-preserved turf houses.

The oldest church in Iceland is one of the few to feature ornate decoration.

The oldest hall in Iceland was written of in the Sagas and features a centuries-old escape tunnel.

Iceland's "Smoky Valley" is a beautiful river that is shrouded in a constant cover of steam clouds.

Climb right into the heart of this colorful Iceland volcano.

This natural Icelandic fissure allows divers to swim right between two volatile tectonic plates.

Learn about Iceland's hidden folk at this school dedicated to the study of elves.

This wildly-tiled artist's palace is a living and growing account of the creator's life, loves, and labors.

Hear the quietest sound from across the dome.

A historic house left in "dramatic still life."

This 1920s Dutch barge is now a floating bookstore.

The world's first underground farm is in a World War II bomb shelter beneath the streets of London.

A hands-off space for graffiti artists to hone and display their skills.

A tongue-in-cheek arcade where the games are based on everyday life.

The world's first combination ski slope and power plant.

Climb to the top of its spiral spire for spectacular views of Copenhagen.

Copenhagen's celebrated theme park and gardens.

This disused Cold War bunker has been restored to all of its early 60s glory.