Elaborate stone houses constructed from the ruins of war.

This ancient Greek place of assembly and marketplace is being revealed layer by layer below the modern Athens cityscape.

Controversial site of what could be Europe's first pyramid.

Where you can hail your favorite fictional commanders-in-chief.

One of the largest artillery pieces in the world sits in a Washington D.C. parking lot.

For 60 years, the academy had no permanent location until members voted Washington D.C. as its forever home.

Seemingly unremarkable items like empty sushi trays, chef hats, and freshness stickers are being preserved so future generations can look back on this beloved cultural import.

During the Industrial Revolution this “Temple of Invention” was full of intricate miniature machines and gadgets.

Fittingly, America's museum of architecture is itself a magnificently designed old building.

There's a 12-foot-tall replica of the Washington Monument hidden under a manhole nearby.

A cavernous three-story, 43,800-square-foot basement that was forgotten about for 60 years.

Enormous piles of historically significant stones, dumped by Congress in a forest, and abandoned for 60 years.

This grand gothic brewery has been pumping out suds for over a hundred years.

One of the dwarven trees dates back to 1625 and survived the Hiroshima bombing.

The timeworn "Yankee Stadium" of the fastest game in the world isn't going anywhere.

With nickel-steel armor and three-inch thick bullet resistant windows, FDR's train was a rolling fortress.

Celebrating the transformation of trash into objects of beauty.

A raised boardwalk winds through a thicket of stunted, century-old trees no more than nine feet tall.

Home of Philip Johnson, one of the 20th century's most influential architects.

One of Kyoto's oldest food establishments has supplied soba noodles to temple priests and the Imperial Palace.

This Kyoto Starbucks takes coffee drinkers back in time.

In a town known for its large hats, this one is the biggest.

Sweden's first nuclear reactor, R1, can be visited 25 meters underground.

Carefully reconstructed after the Bosnian War, this 16th-century bridge stands as a symbol of the country's enduring multicultural heritage.