Twelve plaster figures inspired by da Vinci's famed painting haunt the desert landscape above a real-life ghost town.

The oldest licensed distillery in Ireland.

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

One of nature's most well-scheduled phenomenons resides in Wyoming's Yellowstone National Park.

An architect's childhood fantasy treehouse made real.

Once home to over 8,000 exiled Hawaiians suffering from Hansen's Disease.

The only royal palace on U.S. soil has been a territorial capitol, a military headquarters, and a prison for a queen.

Planned as the world’s first zero-carbon city, it had lofty ideals—but is only 5 percent completed and aiming for 50 percent carbon-neutral.

This historic Victorian hotel has a scandalous history of affairs and murder.

Ancient snack bar of the Roman Empire re-opened.

The magic's in the hole!

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

The ancient dwellings of the Puebloans, located in the cliffs of majestic mesas.

Famously misunderstood wonder of the ancient world

This sculpture by artist Fritz Keonig survived the 9/11 attacks and now stands as a monument to the victims.

The last remaining relic of San Francisco's glittering 1915 Panama Pacific Exposition.

Not merely a museum – but a whirring powerhouse that offers a subterranean peek into the heart and soul of cable car operations.

Blighted Irish field and the ruins of a 19th-century cottage on the edge of urban Manhattan.

A bronze statue dating back as far as 1252, still has remnants of gold on its right cheek from ancient gilding.

This massive wooden building contains a giant Buddha, healing pillars, and tame deer wandering the grounds.

The 10,000 Torii shrine.

1,001 carved statues of the Buddhist God of Mercy, each with a unique face.

The granddaddy of English geoglyphs dates back to the late Bronze Age.

Towering basalt columns, a creation of fire and ice.