66,000 pieces of art, donated by one of the world's richest men.

The only castle in North America to ever house European sovereigns.

This valley of hot springs and boiling mud pots is home to the record-holding "Geysir," which originated the English word.

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

Turning night into day in Victorian-era Austin to thwart a serial killer.

Built following the War of 1812, this fort has withstood hurricanes for centuries.

Austin’s nonprofit-run graffiti park where street art is meant to be painted over.

A store full of vintage and indie toys designed to bring out the kid in even the crustiest of adults.

These pretty kitties killed and ate as many as 135 railway workers.

The twin towers in this Chicago fountain use 50 foot tall video screens to spit on people.

A gothic church spire sits atop this skyscraper, the tallest church in the world.

A popular swimming hole that hides one of America's most deadly diving spots.

Four glass boxes hover over 1,000 feet in the air to give visitors an unparalleled view of Chicago.

A former electrical substation is now home to an eccentric junk art masterpiece.

Home to items never before seen by the public.

Tiny historical streetcars wind through a small scale version of Crescent City in this whimsical train garden.

William Faulkner kept his beloved estate wild and untamed.

The United States’s oldest funicular railway glides up and down a steep Pittsburgh street.

This stunning concert hall has become a symbol of Iceland's national recovery.

This beautiful, historic church looks like something out of a simpler past.

The crumbling remains of a 19th century fortess.

Touching mementoes from those who didn't make it back from World War I still hang in one of New York's oldest bars.

This spiny beast guards an artist's village while vying for the title of largest lobster in the world.

A monument celebrating the idea of reaching inaccessible places.