One of the most colorful free outdoor attractions in San Diego, this park is filled with murals and ties to history.

A blast from the past in central San Diego.

Keen eyes can find the Disney influences throughout this treasure trove of a tiki bar.

This Las Vegas casino boasts one of only three spiral escalators in the United States—an engineering wonder.

The drama of nature in full effect in this Nevada State Park.

This arid landscape was once a lush wetland. Today, it's a paleontological site filled with fossilized mammoths, sabertooth cats, and more.

Dyed by iron oxide over centuries, these sandstone rocks rise thousands of feet into the sky.

A unique shopping and dining park created from old shipping containers and filled with local businesses.

The largest recovered section of Titanic sits in a hotel in Las Vegas.

A tiny slice shop hides down an unmarked hallway in a Las Vegas casino.

An iron dragon with a long neck covered in feathery scales perched above one of Venice's most popular squares.

This palatial spiral staircase was so unusual the name "snail" was given to the noble family who built it.

A copy of the famous statue can be found in this Florence piazza, along with one of the most breathtaking views of the city below.

A crumbling watchtower and a lighthouse overlooks the site believed to be the Sirens' cliff in the "Odyssey."

An Italian crevasse filled with abandoned buildings gives visitors a look at the world without humans.

A medieval wash house where people washed clothes in a river allegedly formed by the tears of a mourning nymph.

This museum celebrating the almighty dollar lets visitors literally stand in the shadow of a million bucks.

A hot dog stand where the heads are just as hot as the dogs.

At Chicago's revered Field Museum, visitors are invited to learn about and literally explore DNA.

The only Chicago bridgehouse open to the public contains a museum devoted to the Chicago River.

This awkward aquarium sculpture is one of the strangest statues in Chicago.

An antiquated German apothecary on Chicago's North Side.

This abandoned Navy base was transformed into an off-grid alternative living community for thousands of people.

A hand-built folk art installation covered with messages of God's love.