The final resting place of the businessman-turned-astronomer who helped discover Pluto stands near his observatory.

This Arizona observatory is famous for investigations into Martian life, and as the place humans first spotted Pluto.

Arizona's first government hub is a rustic cabin now preserved as part of a historical museum.

The stone circle honors the 19 firemen who perished during the Yarnell Hill Fire.

Originally conceived as part of a proposed Arizona State Capitol building in the 1950s, this structure built in 2004 stands as a monument to the architect's legacy.

Iceland's tribute to its thankless civil servants.

This tiny museum's sizable collection is jammed into a former underground public toilet.

A vintage video game wonderland in downtown Reykjavik.

An encyclopedic collection of mammal penises.

A bit of the Berlin Wall was gifted to the Icelandic capital to commemorate the 25th anniversary of German reunification.

Discover the magic in the mundane in Iceland's Museum of Everyday Life.

Copenhagen's celebrated theme park and gardens.

This chimerical bridge/tunnel appears to dead end right into the sea.

Swedish skyscraper with a 90° twist.

This poignant sculpture of a gnarled weapon is a symbol of non-violence.

This antique clock once gave the most accurate time in the area.

A massive observation tower that features gorgeous views and unique architecture.

Countless grotesque faces stare out from this eerie Prague art wall.

Historic town settled in the 19th century because of its convenient location along a popular coal transport route.

The remains of a community that was forced to move for a dam that never materialized still rot in this Pennsylvania park.

The final resting place of the Hollywood star who came to a tragic end.

Intricate storybook scenes are tucked inside these shadow boxes, which are tucked inside a library in the Pocono Mountains.

The site of Neil Armstrong's first flight is marked by a full on replica of the moon landers.

This alley-cum-fan gallery in the ex-Nirvana drummer's hometown holds the world's largest drumsticks.