San Francisco's urban bison herd has persisted in the face of extinction, development, and disease.

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

Olfactory delights in San Francisco's Botanical Gardens.

Relics of the 1894 Midwinter Exposition continue to delight visitors today.

This plaza at the end of the world teems with monumental tributes to a problematic history, and laser discs.

This sculpture pays homage to sailors that perished attempting to round Cape Horn.

These small sculptures pay homage to the lovable star of an iconic Argentine comic strip.

This beautiful fountain was sculpted by a female artist who was ahead of her time.

High atop the Eiffel Tower is a small apartment built exclusively to entertain the science elite and make the rest of Paris jealous.

The heroic sled dog of the 1925 serum run is preserved in taxidermy.

The world's oldest bookshop still in operation.

Portugal's National Pantheon has a history of curses, collapses and financial problems.

Catering to broken dolls for almost 200 years, this repair shop is now a charnel house of doll parts.

This enormous censer uses a pulley system installed over 400 years ago.

A hidden three-foot-wide house separates these two regal churches.

Elaborate tile work in this railway station tells the story of Portugal.

The Cathedral of Salamanca has a number of unusual carvings but none so surprising as a modern astronaut.

The facade of this 16th-century building is decorated with carvings of 300 seashells.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

A collection of 20th-century automata, penny arcade games, and musical contraptions.

This awkward aquarium sculpture is one of the strangest statues in Chicago.

This bronze sculpture on a former squash court marks the secret origins of the Atomic Age.

A faded sign from the 1920s remembers Baltimore's resistance toward banning alcohol.

The unluckiest U-boat in the entire German fleet is now on display in a Chicago museum.