At this Minnesota state park you can easily wade across the source of the mighty Mississippi.

One of Antoni Gaudí's most classic buildings is well-known for its "dragon-back" design.

This massive fiberglass Gulliver turns every visitor into a Lilliputian.

Vibrant street art created with mixed media.

Hundreds of stone stairs and a winding medieval bridge connect this haunting Spanish island to the mainland.

Two towns are linked by an engineering marvel masquerading as a boring suspension bridge.

Giant topiary dog once played a role in a terrorist bomb plot.

The longest spit in the United States ends at a lighthouse in the Strait of Juan de Fuca.

A massive environmental project transformed this former smelter into a beautiful park.

The world's largest outdoor organ is played weekly by one of just two civic organists in the U.S.

Color-coded signs direct drivers on a network of routes designed to avoid Pittsburgh traffic.

There aren't too many operational funiculars around, but Pittsburgh has two!

A restored Pittsburgh house of God has been converted to a marvelous house of suds.

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

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

This parking garage has given itself over to graffiti artists and the neighborhood can't thank them enough.

This three-story antique market and curiosity emporium claims to be "the largest singly owned antique shop in the Pacific Northwest."

A beautiful footbridge with over 2,000 glass sculptures along the walls and ceiling.

Tacoma’s 25-foot coffee pot music spot has served up over 80 years of concrete kitsch.

This century-old confectioner's outlet store was plucked right out of the Seattle World's Fair.

This famous bridge twisted itself into oblivion, but not for the reason you might think.

Spectacular views await visitors to this lake.

One of two giant blue cockerel statues erected with an intentional double meaning.

A 90-foot-tall psychedelic "tree" on the side of the highway has baffled passersby for decades.