Bizarre dirt trail winds a narrow path above the tree line.

Not merely a museum – but a whirring powerhouse that offers a subterranean peek into the heart and soul of cable car operations.

Big gun installations, built over a massive cemetery, now abandoned & hidden in trees.

The last remaining relic of San Francisco's glittering 1915 Panama Pacific Exposition.

The seawater playground of gilded-era San Francisco burned to the ground in 1966.

The de facto symbol of Copenhagen is this bronze fairytale which cannot seem to keep its head for very long.

Danish tourist destination well known for open stalls where vendors sell marijuana on the street.

The big toe of this towering monument to a Croatian national hero is worn from years of superstitious rubbing.

A musical instrument played by the sea.

A chain of 16 wondrous lakes formed as a result of the gradual dissolution of soluble layers of bedrock.

This abandoned Slovenian military barracks has become a punky-political art squat.

A whimsical bridge adorned with decorative dragons.

This one-time health resort was used by aristocrats around the world.

This Slovakian statue of an emerging sewer worker might just be a bronze peeping tom.

The former Nazi concentration camp stands as a museum to remember this dark chapter in European history.

An underground city of salt.

The record holder for the world’s largest peach.

I-95's Tijuana-style celebration of kitsch at the Carolina border.

A six-foot pair of socks hangs from a drawer of the world's largest bureau.

An eerily abandoned stone tower is all that remains of a demolished dam on Cape Fear River.

Who needs fancy modern water slides when this giant North Carolina rock works just as well?

A 120-year-old legend concerning an empty circular patch in the North Carolina woods.

China's most famous acrobatics act.

An out-of-place slice of France, smack in the middle of Shanghai.