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

Tiki luxury on Nob Hill.

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

A walk-in working camera obscura produces 360-degree live images of the San Francisco coast.

A huge musical instrument played by the ocean.

A wedding chapel, vintage clothing shop, and bar all under one roof.

This giant iron playfully pays tribute to an early 20th-century architectural trend.

This North Carolina museum is keeping the pinball craze alive, with a little Space Invaders on the side.

Knoxville’s architectural icon was the symbol of the 1982 World’s Fair, even catching the googly eye of Bart Simpson.

This award-winning men's bathroom was just too beautiful to not allow women to see.

The vaulted ceiling is home to a scurry of “squirrelgoyles.”

Montreal's giant farmer's market is a foodie's best friend, especially in the winter months.

Designed by Buckminster Fuller, this relic of the 67 Expo survived fire and ice.

South Philadelphia is home to Keith Haring's only surviving in situ collaborative public mural.

The world's third-largest crystal sphere has sat in the Penn Museum since 1927 with the exception of one outlandish theft.

An Irish Memorial commemorating those who perished due to potato blight.

A tour de force of a fountain, memorializing a man who loved fountains more than anything else.

The first American axe throwing club.

A daily replay of the experiment that proved the rotation of the Earth.

The sounds of the world's largest fully functioning pipe organ dazzle shoppers at a Philadelphia Macy's.

This elaborate towering structure was once famed for its revolutionary height.

Ant sculptures march up the side of what used to be an iconic spot in punk rock lore.

Yo, Adrian!

The first American department store, and home to the largest operating musical instrument in the world.