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.

Amidst the bustling streets of Dublin, there is a hushed garden that is dedicated to "All those who gave their lives in the cause of Irish Freedom."

The comedy and tragedy of Oscar Wilde is preserved in a Dublin park, captured in a sculpture of colorful stone.

A museum that cashes in on its infamous little people while teaching you a thing or two about the Irish fey.

A particularly disconcerting tribute to Irish martyrs.

This singular Irish dolmen is more Frank Lloyd Wright than upright stonehenge.

A convincing little bit of ancient Egypt smack dab in Richmond, Virginia.

This metallic stampede sits frozen on a Washington ridge yet the artist's vision is still incomplete.

An obscure waterfall that looks like something out of a fantasy novel.

The last bastion of Roman presence north of the Alps looms over a German town.