Found art has transformed this Pittsburgh neighborhood into a psychedelic dream.

One of the last of the great 1920s movie palaces is a Floridian Greco-Spanish-Persian dreamscape.

A building so large that it has its own weather.

This abandoned NASA launch site is now a memorial to a trio of astronauts who were killed there.

When you can't get to the Pacific, just go to Florida.

This picturesque stream was up until recently the site of a ten story mountain of slag and sewage.

Despite being stolen multiple times, this civic electrician's street corner Snoopy won't be stopped.

The only way to see Pittsburgh is from the top of this lookout point, just like the ancient members of the native peoples did.

Here’s how Robert the Doll earned his reputation as the most haunted doll in the world.

This isn't your average roadway—it's actually a National Park and a transportation pioneer.

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

This extraordinary Depression-era expenditure was modeled after a postcard of a Mediterranean hotel.

These unusual rooms on wheels are holdovers from the 1960s.

Home to items never before seen by the public.

The tallest The Church of Jesus Christ of Latter-day Saints temple in the world soars above the Beltway.

An old-timey peepshow allows visitors to gawk at some of the world's most freakishly large footwear.

The tech giant built three enormous glass orbs in Seattle so employees could work inside a rainforest greenhouse.

A wall of chewing gum moonlights as collective art.

A museum dedicated to the history and exploration of both popular music and science fiction.

This former coal gasification plant found a curious second life as a popular public park.

A rare set of strings by famed instrument maker Antonio Stradivarius is on display in the Royal Palace.

This lucky bronze frog was gifted to Madrid by a casino.

An iconic and controversial ancient Iberian funerary urn with a hauntingly penetrating gaze.

Over two centuries old and counting, Madrid's massive botanical garden contains one of Europe's only desert environments.