Once thought to be the fabled Holy Grail, it is now known to be an oil lamp.

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

This whimsical group of statues is a favorite of children who love to climb all over Lewis Carroll's beloved characters.

A controversial magical figure is hidden within a diorama of the city.

A Natural History and Science Emporium.

Twice a day one of these tragic bronze mariners drowns with the tide to remember all those the sea has taken.

Manhattan’s Battery Park has a whimsical carousel full of spinning, glowing fish.

A curious fountain that has no water and includes Satan, a crab, and 9 giraffes.

The "Seinfeld" diner.

This giant boulder is sandwiched between apartment complexes in upper Manhattan.

This was one of the first (and last) university-built and operated nuclear reactors.

Visit the monolithic tomb of America's most famous general.

A 26-foot shark sculpture—a statement about bombs—set off a municipal battle royale.

A sweet symbol marks the place where torturous executions were once carried out.

360° views of the city plus five floors of optical illusions and hands-on science.

Overlooked by many, the two famous Scottish warriors guard the main gate of Edinburgh Castle.

The gorgeous entrances into the city's underbelly look more like grand halls than subway stops.

A second generation sun-powered marvel lights up the night.

After starting as a whimsical tourist attraction that eventually found its way to ruin, these renovated canals offer a lush and exotic locale on the Pacific Coast.

An historic and oft-filmed spot for musclebound iron pumpers on the Pacific coast.

World's largest bell sits on the grounds of the Kremlin in Moscow.

This building holds the embalmed remains of the leader of the Bolshevik Revolution.

One of the world's tallest statues is also one of its most hated.

A favorite of Amelia Earhart, ranking among those rare bridges that can be crossed without changing sides of the river.