An easily overlooked memorial to a Ukrainian famine-genocide that killed over 4 million people.

D.C.'s first central library was born out of a chance encounter with the philanthropist whose name it bears.

Largest Roman Catholic church in North America.

The first purpose-built art gallery in the United States is once again open as a center of craft arts.

The national park was once a plantation estate.

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

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

A historic neighborhood church is reborn as a psychedelic arts collective.

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

Long-abandoned trolley tunnels just a mile away from the White House are turning into an art space.

The site of the climactic scene from the classic horror film is now a historic landmark.

The United States Capitol's former columns still stand.

This ancient Chinese observatory still contains early astronomy technology.

This probably wasn't what Mao had in mind.

This stunning concert hall has become a symbol of Iceland's national recovery.

Medicinal spa created with the discharge from a geothermal energy plant.

One of the tallest buildings in Iceland, and perhaps, the most visually impressive.

An ornate private entrance to the Vienna subway built specifically for the emperor.

A fake medieval village in the middle of Turin.

A museum cafe showcases Native American dishes and indigenous ingredients from across the Western Hemisphere.

Two dozen pinball games hidden away inside a most unlikely location.

The controversial urban planner who designed Washington, D.C., was buried in Maryland, and can presently be found in Virginia.