Crop circles inspired this whimsical garden in Germany.

The last Tsar of Russia constructed this private church just so he could attend services when visiting his wife's hometown.

A German apartment building hosting as many trees as human occupants.

This baroque palace displays an impressive collection of taxidermy, art, and rare objects from the days of courtly hunting.

A former Nazi lookout tower with a magnificent view of the Rhineland.

Metro station with a claim to rock n' roll fame.

A monument to the three wars that led to German unification towers within a Berlin traffic circle.

Berlin's old airport.

On the Spree bank, discover one of the last reminders of a symbolic wall that divided, and was torn down by the people.

This monumental work of art symbolizes the coming together of a previously divided city.

This legendary urban waterfall creates a dazzling display of rainbows.

More than 2,000 species of tropical plants call this nature preserve and sanctuary home.

Hide from the tourist hordes in these relatively unknown, and unguarded lava caves.

Watch the newest land on the planet form before your eyes.

This black shoreline is made up of exploded lava particles.

A 100-year-old purveyor of curiosities, curios, and kitsch featuring mummies, shrunken heads, and a Fiji Mermaid.

Though strikingly beautiful, Seattle's other railway station is now largely forgotten.