The world's last remaining store of its kind.

The ruins of an important pilgrimage destination for worshippers of a Maya fertility goddess.

This landmark building, from notable Los Angeles architects, is being restored.

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

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

California's oldest wind harp represents a historic piece of America's Danish history.

In the "Danish Capital of America," a replica of one of Copenhagen's most iconic buildings.

Formerly the world's largest, this Willy Wonka-esque contraption runs 24/7.

No one’s quite sure why there's a metal megaphone bolted on two rocks in the middle of the Mojave Desert.

A surreal, interdimensional shopping center and portal to another universe by Meow Wolf.

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.

One of the few remaining casualties of the London Blitz, this destroyed church has become an enchanting public garden.

There's something in the air as history repeats itself at this museum dedicated to the Swedish pop band.

Several cannonballs of mysterious origins decorate two buildings in Stortoget's main square.

An ancient Viking runestone hidden in plain view in Stockholm's old town.

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

Dedicated to the outnumbered Finnish forces who pushed back Soviet forces during the conflict.

Statue of Lenin, from Cold War era Czechoslovakia, now in a neighborhood of Seattle.

Once the site of a Native American harvest festival, this humble clearing later played an invaluable role in the birth of jazz.

One of the oldest continuously-operated gay bars in the United States is allegedly haunted by Truman Capote and Tennessee Williams.

Deep into the lower floors of Pike Place, find a date with fowl fate.

A beautiful footbridge with over 2,000 glass sculptures along the walls and ceiling.

Dine on food tied to Viking history and legend at this subterranean Stockholm spot.