Hans Christian Andersen for the postmodern world.

The de facto symbol of Copenhagen is this bronze fairytale which cannot seem to keep its head for very long.

Museum on earth sciences featuring a recreation of a famous curiosity cabinet.

The old observatory in Copenhagen has a spiral corridor used as a racetrack.

Swedish skyscraper with a 90° twist.

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

Perhaps the most scandalous statue of America's first president.

A mammoth pair of Civil War artillery guns abandoned out in the forest.

Government testing at the asylum briefly explored using marijuana as a "truth serum" on Nazi prisoners of war.

Architecture lovers won’t stop touching the National Gallery's 19.5 degree marble prow.

This massive swimming pool is the high tech home to the human-powered submarine races.

A small token of gratitude from freezing cold journalists who were given a warm haven while covering JFK's inauguration.

One of many reminders of Tesla's scientific contributions overlooks the falls which inspired him.

Niagara Falls holds a special place in Nikola Tesla's history, so they put a statue on it.

A haunting exhibit in a wildlife refuge center highlights threatened species and the conservation efforts needed to save them.

One of the last remaining World War II Victory Gardens in the U.S. is quietly growing across from Fenway Park.

An overlooked memorial honoring the local Washington residents who died in World War I.

A muscular Art Deco monument represents the struggle between regulators and unbridled markets.

A 1,100-ton train fell through the floor in 1953. Workers got it patched up in just 72 hours.

Go take a picture with the inventor of the daguerreotype photographic process.

The only tennis court that falls under the jurisdiction of the central bank.

The sculptor was instructed to add “stallion attributes” to the general's bronze mare.

This robust fence in front of a historic Georgetown home is likely made from hundreds of recycled Revolutionary War firearms.

A derelict bit of infrastructure from the canal that once ran through D.C. is landlocked in the heart of the city.