Native Australian lizards inhabit this garden celebrating Sydney and its sister city in China.

2300-year-old Roman road connecting the empire.

A showcase of geologic history is home to one of the largest collection of lunar meteorites on Earth.

A collection of birdhouses await curious motorists and avian squatters.

This New England covered bridge is home to the tale of a jilted lover known to haunt the area.

The longest and widest floating bridge in the world.

Thousands of turbines whir at at the origin of North American wind power.

A Norwegian-born sculptor created these soaring guardian angels at the entrance to Hoover Dam.

Nevada's largest cactus collection stands outside a candy mogul's small factory.

The world's largest mountain carving could fit all of Mount Rushmore inside it many times over.

The granddaddy of all tourist traps, built on ice water, jackalopes, and a giant dinosaur.

This bronze boar's snout has been rubbed to a golden sheen by visitors seeking good fortune.

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

Three prestigious academic collections come together to create a world-class natural history museum.

Impossibly life-like natural history models created out of glass by a father and son.

The first declared National Monument in the United States.

The largest hot spring in the United States is, as the name suggests, a stunning show of natural color.

A morbid piece of memorabilia from the most famous shipwreck in current history is just one of the many poignant artifacts in this Canadian museum's collection.

One of the Seven Wonders of the Modern World holds the world's tallest metal staircase.

A 98-room castle in the middle of Toronto that bankrupted a 19th century electricity multimillionaire.

This lovely, if imposing, piece of Canadian gothic is possibly the most photographed hotel in the world.

The world's largest piece of copyrighted artwork.

Since 1973, this block has been home to the most concentrated collection of murals in San Francisco.

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