Its buzzing collection honors vibrator history.

Madrid's romantically ornate crystal palace has been offering shelter to plants and art for over a century.

Commonly acknowledged as the only public monument to the Devil himself.

In the fictional world of Kcymaerxthaere, celestial wonders marked a portal to a powerful route of travel at this site in Madrid, Spain.

An ancient Egyptian temple in the middle of Madrid, Spain.

A stone slab in Madrid marks the point from which the distances of Spain's national roads are measured.

An alien church provides much needed silence in the midst of a Finland shopping center.

An abstract monument to a symphonic composer.

A huge musical instrument played by the ocean.

A peculiar mansion built by the troubled heir to the Winchester Rifle Company fortune.

Sweden's oldest animated sign is still lighting up the skyline today.

It houses the remains of a 17th-century version of the Titanic.

This Stockholm light tower can be controlled by anyone with a smartphone.

Stockholm's decidedly unique public transit system has doubled as the world's longest art gallery for decades.

Now a hotel, this former bank was the site of a robbery that spawned a psychological phenomenon.

This giant crucifix is like U2's Joshua Tree for Swedish death metal fans.

This homeless brass fox tugs at your heartstrings from the foot of a Stockholm bridge.

The haunting ruins of Jack London's dream house.

Only hotel where you can legally launder money.

The key to turning shifting dunes into the green oasis of Golden Gate Park.

The seawater playground of gilded-era San Francisco burned to the ground in 1966.

The "world's biggest dinosaur" once housed a creationist museum in its abdomen.

Humboldt's human-powered sculptures race across land and sea for days on end in a wacky quest for dominance.

Canyon walls shrouded in ferns.