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

Statue of Lenin, from Cold War era Czechoslovakia, now in a neighborhood of Seattle.

A wall of chewing gum moonlights as collective art.

Massive galleon from a box-office bomb docked in Genoa.

Macabre astrological automaton clock dating to the late 1400s.

The most confusing clock in New York.

Great place to have a drink and a bite to eat in an atmosphere laden with New York's Bohemian past.

Current docking place of the SS United States, the fastest transatlantic ocean liner.

Lie in a hammock where George Washington stood.

On the Hudson resides one of the largest clocks in the world.

World Trade Center memorial likened to a woman's sexual organ.

Final resting place of two dozen New York City harbor ships.

One of the world's largest model railroads is a mind-boggling achievement.

Collection of antique science instruments displayed in recreated 1870-1930 laboratories.

This Niagara Falls tourist trap is a world bright with neon and curiosities that will inspire love, hate, or a mixture of both.

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

Toxic waste disaster that founded the Superfund program.

Ruins of a once-prized railroad station in New York.

The Fox Sisters, America's leading mediums in the mid-19th century, possessed a table they claimed helped them "communicate" with the dead.

A dramatic, 360-degree recreation of Pickett's Charge in the Civil War.

A pedestrian island in the middle of world-famous Times Square emits a strange (and purposeful) humming noise.

Plot your trip through the city on the sidewalk.