A giant Troll lurks under one of Seattle's oldest bridges.

Macabre astrological automaton clock dating to the late 1400s.

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

Construction of Barcelona's iconic (but controversial) church is expected to be completed in 2026—a century after the death of its architect.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

Thousands of coffin-like pillars make up this controversial Holocaust memorial.

This small beachside park commemorates the possibilities of discovery.

The place where World War I began.

This abandoned Croatian stronghold never saw a great deal of conflict but it is still a beloved relic nonetheless.

These delicate buggers are some of the rarest fossils that have bubbled up from the Tar Pits.

World-famous, Pink's still manages to keep its prized cult fetish status.

This magnificent herd of stampeding elephants has been frozen in time for over a century.

Here be dragons.

Outstanding taxidermy dioramas showcase the grandeur of the continent's wildlife with spooky realism.

Manhattan and the Bronx have been playing tug-of-war over this former island neighborhood for more than a century.

The former sign of this immortal music venue is just that--undying.

Manhattan's Thirteenth Avenue was made on landfill then deliberately destroyed — apart from one small, obscure block.

This subterranean oyster house has been the pearl of Grand Central Station since 1913.

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

A reminder to choose water over wine since 1888.

The famed amusement district marks the beginning of summer with a wild procession of nautical creatures.

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.

Finally, you don't have to be a pious Swedish seaman to relax like one.

The first piece of public art dedicated to LGBT rights.