A rotting tree in the middle of Seattle doubles as an elaborately-controlled art piece.

A "sinister, whimsical, tacky, and really orange" public art installation hidden under a Seattle bridge.

This Seattle store is packed with all sorts of curious creatures and creations.

An enclosed rotunda at the Henry Art Gallery in which viewers can look up and see the uninterrupted sky.

An ice cream parlor chain that caters to vegans and pinball fans equally.

This painted blacktop brings the classic arcade game to life.

This Seattle joint serves food inside an old train car once used by FDR.

Peruse rare tomes like poetry bound in pearls or books with branches and berries growing out of their spines.

Though strikingly beautiful, Seattle's other railway station is now largely forgotten.

This semi-secret garden in south Seattle emulates a traditional Japanese garden using the plants of the Pacific Northwest.

A huge musical sculpture and other art installations on the National Oceanic and Atmospheric Administration grounds.

The forgotten mummies of Dakhla oasis.

Even King Tut was intrigued by the glass of the Great Sand Sea.

Camels and crocodiles share the black waters of this stunning Saharan oasis.

It might not be the prettiest pyramid in Egypt, but it may be the muddiest.

Egyptian treasure trove of fossils documenting the whale's transition from land mammal to sea creature.

Standing atop 2nd-century Roman ruins, this church is one of the oldest and most iconic in Old Cairo.

The monster at the center of the Darwin Center Spirit Collection.

Manchester salvaged this sculpture of the adopted Mancunian when it was no longer wanted in Ukraine.

Have a seat with the father of modern computing at this Manchester monument.

A huge museum of much more than just agriculture displayed in a princess's palace.

Hundreds of thousands of ancient documents offer a unique glimpse into Jewish life in Cairo.

Located near Cairo's El Korba district, the abandoned mansion continues to inspire mystery and rumor throughout the city.

The last of its kind in the country.