This stunning Brazilian library contains the largest collection of Portuguese texts outside of Portugal itself.

A shining sculpture made of 3,115 lights, the number of visible stars in the Northern Hemisphere.

An eclectic assortment of medieval architecture in a small Iowa town.

A clone of a cloned tree that was so important it allegedly had its own guards.

Peru’s only toy museum houses everything from pre-Inca whistles to lead soldiers and terrifying dolls.

Robot jockeys ride their humped mounts to victory as part of a 21st-century twist on an ancient desert sport.

This massive collection of taxidermy is full of specimens collected by missionaries during their international travels.

A 2,500-pound wooden nickel makes this woodworking museum easy to spot from the road.

The U.S. Army's giant warehouse of war art includes Hitler’s watercolors and Norman Rockwell oil paintings.

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

This huge concrete map of Scotland was built as a thank you gift from a Polish soldier.

A tiny theater hidden in an alley plays a constant stream of short silent films for anyone willing to peer through the peephole.

A whimsical village of unique treehouses resides in a Washington forest.

A magical museum of fairy tale treasures near Cyprus' buffer zone.

Celebrating the transformation of trash into objects of beauty.

Take an otherworldly journey in a school dedicated to out-of-body experiences.

Experience Larry Spring's self-taught "common sense" laws of physics.

This former Mormon settlement is reemerging from the receding waters of Lake Mead.

A common entry point to the Griffith Observatory trail holds its own wonders.

Step inside the first house designed by Catalan architect Antoni Gaudí, considered to be one of the first Art Nouveau buildings.

Though technically an illegal structure, this eclectic DIY apartment complex is beloved by its residents.

A half-acre utopia in the New Mexico desert features a graveyard, a game of horseshoes, a library, and a mailbox.

Franciscan monks created a facsimile of the Holy Land for North Americans who couldn’t afford the trip overseas.

This pair of small sea rocks has been "wed" using rope and ancient Shinto tradition.