Catacombs turned marketplace.

The watery entrance for condemned prisoners heading to the Tower of London is still visible along the Thames.

After nearly 60 years, there's still a bear at Paddington Station looking for help.

Around 100,000 bodies are buried below the medieval headstones, many of which mark graves with multiple bodies stacked up to 12 deep.

The World's First 24 Hour Coin-Operated Art Gallery!! Plastic, Styrofoam, and Elvis--If you can't get rid of it, you might as well worship it!!

Massive galleon from a box-office bomb docked in Genoa.

Go inside to really appreciate this 500-year-old technological masterpiece.

An accidental trick of light casts the perfect shadow of a pilgrim of the Camino de Santiago against the cathedral wall.

This Polish cave has housed a dragon, a brothel, and an enduring legend.

A surviving remnant of the thick ice mass that once mantled most of Western Canada's mountains.

North America's first frozen mummified remains of an ice age steppe bison, the 36,000 year-old mummy named "Blue Babe."

Buy your friend a drink or staple some cash to the wall for the next guy at the Salty Dawg Saloon.

This small city where almost everyone lives in the same building can only be reached via North America's longest tunnel.

Running under an entire mountain, the longest highway tunnel in North America is kept fresh using portal fans and jet fans.

An Alaska livestock farm devotes itself to harvesting wool from creatures that once ran with mammoths and sabertooth tigers.

While not recognized by Guinness, this chocolate waterfall is likely to be the world's largest.

A high school astronomy enthusiast designed this model of our solar system to be traversed on foot.

This historic Victorian hotel has a scandalous history of affairs and murder.

Keeping Ballard's heritage alive with delicious, lightly battered Alaskan wild cod.

Always a new use for this old building.

A commemorative mural in this tiny Ballard park honors the neighborhood's rich Scandinavian ties, particularly with Seattle's Norwegian sister city Bergen.

A 1,000 pound brass bell commemorates a time when this small maritime neighborhood was actually its own separate city.

The tale of a strong-willed woman who stood her ground when the commercial world came rumbling in.

Granting the right of way to ships over surface traffic since 1917.