The world's largest collection of mechanical puzzles is a cornucopia of analog bafflers.

One man's vision and a labor of love of many.

Where hikers on the Tecumseh Trail can exchange a dirty sock for a free geode.

Visitors to this museum will uncover a whimsical collection of marbles from across time.

Sip whey-based vodka at the first Native-owned distillery opened on a reservation in centuries.

This sprawling taxidermy collection celebrates the art and history of sport hunting.

This museum located in Fondi is also said to be the most haunted building in town.

This museum is a full-size replica of an original church constructed during the 13th-century.

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

These "anatomical machines" are only one of the many strange items in this Italian crypt.

An eerie reminder to the horrors of World War II.

Whimsical cookie-themed plaques mark the birthplace of the Fig Newton.

Mirrored floors and arched shelves create the illusion of an infinite tunnel of books.

This unassuming layer of clay boasts an out-of-this-world origin story.

The now-abandoned tunnels were built for the transcontinental railroad on the route where the first wagon train entered California.

An Irish peat mine has become a stunning sculpture park.

One of the best-preserved impact craters on the planet is located in the middle of the Sahara Desert.

Nature and art meet in this curvy creation

Every summer West Seattle experiences a housing bloom.

These termites have an large and deadly abode—impressive by day, dazzling by night.

A museum built around the site where the most controversial human remains in the country were found.

This Seattle museum displays the history of the telephone through an impressive collection of telecom equipment.

A porcelain company's former dumping ground, completely covered in pieces of collectible ceramics.

This small museum located under the famous cube houses, is home to some 30,000 chess pieces.