This museum contains a vast array of puppets and marionettes from all over the world, featuring incredible works by Portuguese creators.

In the Monastery of São Vicente resides a gallery devoted to a breathtaking collection of seashells.

Catering to broken dolls for almost 200 years, this repair shop is now a charnel house of doll parts.

A garden in Lisbon filled with giant porcelain creatures.

A narrow strip of land is home to the tallest migrating dunes in Europe.

A true Valhalla for cactus and succulent lovers.

Hidden deep in a forest is this geological wonder carved by glaciers.

Lithuania's outdoor sculpture trail of wooden folk art.

This unique tower has been home to malaria-fighting bats for 100 years.

The wood bears a hidden love note carved by a young Johnny Cash.

Home to an endangered salamander, a full moon celebration, and a large spring-fed outdoor swimming pool.

The house's confection-like decorations are the result of one man's painstaking work over decades.

The highest point in Texas is capped by a big silver pyramid.

The 40-foot-tall votive candle is the largest of its kind.

A spring-fed pool so deep it's used for scuba diving as well as swimming.

Abandoned railroad tunnel is home to a colony of three million Mexican free-tail bats.

A master plumber has turned his love of art and toilets into a folk museum that's not taking the piss.

This former Texas landfill is flush with 300 million-year-old fossils, all fit for the taking.

Tracks near this Texas nature site were once thought to support the Creationist belief that man and dino coexisted.

This sacred cavern, 400 feet deep, is home to millions of bats and an ancient burial ground.

The summer home of the largest colony of bats in the world.

This small town Texas cemetery is said to be the burial site of a UFO pilot who crashed in the 1800s.

A Texas cave network is home to some of the world's most spectacular-looking and bizarrely named mineral formations.

This crumbling UFO is one of only a few remaining "moveable ski chalets" of its kind.