A legal loophole makes it possible to get away with murder within this 50-square-mile section of Yellowstone.

When you visit his grave, be sure to rub the Great Emancipator's nose for good luck.

The spot in the Mile-High City that's exactly 5,280 feet above sea level (at least for now).

What better place to take a seat?

The tallest The Church of Jesus Christ of Latter-day Saints temple in the world soars above the Beltway.

The longest escalator in the Western Hemisphere takes over three minutes to ride down.

A bit of retro transportation flair preserved in the world's largest department store.

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

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

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

Elevated freight railway turned wildly successful urban park.

This shifting North Carolina sand dune is an odd little desert surrounded by oceanic forest life.

Beautiful Gothic-inspired lighthouse stands out among the run-of-the-mill striped fare on Bodies Island.

A wild west cemetery in Tombstone, Arizona, provides a window into the Old West.

Limestone caves with spectacular showcase chambers.

A reproduction of earth's many biomes.

Ninety feet off the valley floor is an ancient dwelling put under protection of the U.S. government by Teddy Roosevelt.

This giant shopping mall still holds signs of its automotive past.

This ultra-modern California span is actually a titanic solar clock in disguise built by famed architect Santiago Calatrava.

These subterranean storage areas hold emergency water reserves.

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

A Masterpiece with a Tragic History.

Concrete strongholds stand guard over the Golden Gate.

This giant temperature attraction created some giant electric bills.