The Guardian of Tallinn.

This irregularly shaped sea fortress has defended not one but three different sovereign states.

An abstract monument to a symphonic composer.

An alien church provides much needed silence in the midst of a Finland shopping center.

The site of Paul Revere's historic two lantern warning.

A centuries-old church stands as a testament to Boston's "father of architecture."

An interesting decoration on this historic site, this weathervane comes with as many legends as it does questions.

A former waterfront market is now in the center of town due to some interesting Boston engineering.

Portlandia is the second-largest copper repoussé statue in the United States.

The magic's in the hole!

This simple frog painting created by musician Daniel Johnston embodies the spirit of Austin.

After 97 years of constant vigilance from the dome of the Texas State Capitol, the original Goddess of Liberty retired to a life of climate-controlled leisure.

Locals dubbed it the "Owl Building" because of its bird-like appearance.

The peaceful space is adorned by paintings by the famed abstract artist Mark Rothko.

They sort through millions of dollars worth of diplomatic gifts on behalf of the government.

On the Fourth of July this area will transform into a Pompeii-like storm of falling embers and ash.

Those with a sharp eye can find the hidden image of a German Shepherd on the memorial's Mural Wall.

This statue of one of baseball’s greatest pitchers looks like something out of a sci-fi horror movie.

The remains of a historic plantation nestled in between a parking lot and the rental car return at Reagan National Airport.

Once forgotten and built over, this historic Black cemetery now houses a poignant memorial.

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

Swedish skyscraper with a 90° twist.

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

Hans Christian Andersen for the postmodern world.