These towering spires and glowing walls are carefully crafted from hundreds of thousands of icicles.

A toweringly silly piece of modern art has been delighting locals since the 1980s.

A butcher shop in Minneapolis has all the meats and cheeses you’d expect from any of its kind—except that all the products are vegan.

Enter the Forest of the Elves.

A whimsical sensor instrument for Minneapolitans to play on their walks to work.

20,000 pieces in a Frank Gehry-designed building.

An architecturally-focused antique shop.

Funhouse of found art and participatory sculpture.

This lab's maddening silence is good for business but bad for sanity.

A rotating cast of guys and dolls in front of a Washington, D.C. building.

Franciscan monks created a facsimile of the Holy Land for North Americans who couldn’t afford the trip overseas.

With over 100 jam-packed rooms to explore plus elaborate tea services and events, the Mansion on O Street is a hidden treasure.

The Byzantine, pre-Columbian, and medieval art at this stately mansion are some of the most under-appreciated collections in D.C.

A local farm's collection of unusual structures from a now defunct storybook amusement park.

An allegorical sculpture in Maryland wears the artist’s politics on its trunk.

This massive swimming pool is the high tech home to the human-powered submarine races.

The shelves in the back of this thrift store are devoted to saving, not selling, retro tech.

Mural made of 100,000 pieces of hand blown glass, and until recently, the largest glass mural in the US.

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

A clone-tree in Washington Square Park sprung from seeds that went to the Moon and back.

A psychedelic labyrinth on the San Francisco bay.

A kaleidoscopic warehouse-maze of handmade neon signs.

A technicolor place of worship for Elevationists.

The world's only museum devoted to the wonders of fluorescence.