The largest free-standing aquarium in the world resides in a hotel lobby in Berlin.

Lady Liberty's original designer installed a little clone in this French fountain.

An archeological treasure trove stumbled upon by a couple of children.

The installation’s official name, “You Who Are Getting Obliterated in the Dancing Swarm of Fireflies,” says it all.

This failed condo development was reborn as a street art hub.

A grove of colossal man-made flowers built to collect the sun's rays.

Wondrous sandstone hoodoos where Native Americans collected clay for pottery, 9,000 years ago.

Originally built as a promotional giveaway, this suburban house was designed to be an IRL version of the Simpson home.

Site of a former hidden treehouse in New Orleans.

Inhospitable caverns just beneath this island paradise offer insights into alien worlds.

Travelers exchange letters with woodland creatures at this mini post office.