The official atomic museum of the United States explores the explosive and productive history of a much maligned energy source.

Twice a year, visitors can tour the desolate site that birthed the Atomic Age.

This fast-food outlet is the only space and UFO-themed McDonalds in the world.

Twenty-seven massive radio antennas on the high plains of New Mexico search for life on other planets.

The shattered remnants of a meteor that struck Santa Fe more than a billion years ago.

A series of waterfalls and pools that flow through the 'Ohe'o Gulch and into the ocean.

This legendary urban waterfall creates a dazzling display of rainbows.

Submerged lava formations create incredible waterworks.

These picturesque Hawaiian falls are home to a rare species of fish that uses a special sucker to climb up cliffs.

This unusual lava tube spouts seawater during high surf.

An exercise in patience and imagination, where Mother Earth turned common stuff into precious hidden treasures.

Mysterious ancient petroglyphs carved on a glacial boulder at the tip of Bainbridge Island.

You can walk through the first Boeing Air Force One, which famously carried JFK's casket from Dallas back to D.C.

The site of Neil Armstrong's first flight is marked by a full on replica of the moon landers.

A rugged lava field dotted with molds of the ancient pines that were growing when the volcano erupted.

Two massive rock outcroppings on the Oregon coastline.

The deepest lake in the United States, and once the site of epic destruction that lives on in legends.

A volcanic fissure over two miles long and up to 70 feet deep.

The longest continuous lava tube in Oregon.

This beautiful ancient site is dotted with perforated sandstone pillars considered sacred by some Native American groups.

The North Carolina grounds are leased in perpetuity to the British Commonwealth for as long as the WWII sailors are buried there.

This prehistoric sinkhole lured exclusively male mammoths to their death, much to the delight of science.

One of America's first dinosaur parks gives a window into Depression-era paleontology.

A six-ton, 12-foot-tall concrete prairie dog is touted as the largest in the world.