Built to house a chapter of the Knights Templar, this grandiose building is a relic of Freemasonry in Chicago a century ago.

Climb to the top of its spiral spire for spectacular views of Copenhagen.

Bored potato-guarding Nazis etched their thoughts onto a brick storage building in Copenhagen's Meatpacking District.

This sublime architectural marvel is a rare example of an expressionist church.

Hans Christian Andersen for the postmodern world.

Pre-Nazi swastikas adorn the sculpted pachyderms flanking this brewhouse portal.

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

A uniquely lettered street sign marks the corner where the iconic word game was invented.

Four cars from the old system were once on display, but were removed in 2014.

Test your business savvy and play the market for cocktails at this stock exchange-inspired watering hole.

Imagine having a street run right through your home, or better yet, a historic bridge three stories high.

A replica of a 7th-century church hides in plain sight in the middle of the concrete jungle.

This anonymous businessman sculpted in bronze became an enduring memorial after 9/11, and had been mistaken by rescue workers for a survivor in the rubble.

A sculptural commentary on capitalism pokes up from the East River.

Salute the leader of the proletariat.

There must be a pun in this haystack somewhere...

A discreet little stairway on St. Nicholas Avenue leads to a quaint and unexpected cobblestone street of 19th century wooden rowhouses.

This enormous Hindu temple in Queens serves incredible dosas in its basement canteen.

Once America's longest-manned military fort, now an abandoned hulk.

Hordes of precariously balanced stone figures crowd the shores of the Hudson River.

An artist's cute bronze subway sculptures belie his violent artistic past.

Curious crustaceans support an obelisk from ancient Egypt that now stands in modern-day Central Park.

A Manhattan courthouse hides a small but scathing memorial to Holocaust injustice.

This mosaic dedicated to John Lennon was tended for years by a Beatles super-fan.