Old batteries and frog skeletons reside in this lakeside monument to Alessandro Volta.

The Sighignola summit on the Swiss border offers views so breathtaking it's been named one of the most beautiful places in Italy.

This half-finished "city of toys" was almost Italy's own Las Vegas.

The abandoned "Ghost Mansion" was left to decay in the mountains of Northern Italy.

Yup, that's a 330-foot yacht passing over the highway.

Come for the boats, stay to explore the intriguing assortment of art.

This enchanting mountain plateau celebrates spooky local folklore.

A museum of carnival attractions where you are invited to ride the rides.

Inspired by a music box, a small town Vietnam vet carved an entire carousel full of animals by hand.

Massive puppet-automaton machines created by French artist collective Machines de l’Ile.

Enormous sandstone towers loom within a Czech forest.

Festival of Perpetual Life and Rebirth.

Two churches shoot bottle rockets at each others' bell towers in an unusual Easter celebration.

This charming colonial alleyway is one of the oldest continuously used residential streets in the U.S.

An enormous, inside-out glass globe built in 1935.

Granny Smiths and Fujis can both be traced back to Kazakhstan, where apples still grow wild.

This Russian religious complex is a Frankenstein's chapel that includes influence from almost all the major faiths.

A meditative walk up 353 stairs leads to a majestic white Buddha overlooking Pai.

A preserved oasis with traditional Andalusian-style architecture and beautiful views of the Nile.

A strange aquarium with stuffed fish, and almost no water for them to swim in.

Standing atop 2nd-century Roman ruins, this church is one of the oldest and most iconic in Old Cairo.

Its collection offers a glimpse into the Russian Old Believers' centuries-old way of life.

Divinely-inspired village houses 6,000 dolls, plus strange and lovely outsider art.

A curious collection of oddities including a lock of Alexander Hamilton's hair and Harry Houdini's ouija board.