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

The legacy of a wealthy executive and his wife, this little-known art museum features works by Picasso, Monet, Renoir, Cezanne, and more.

A rotating cast of guys and dolls in front of a Washington, D.C. building.

Wander through the Corridor of Wonders in these stunning limestone caverns.

The woman who helped save 15th-century France was born in this humble home.

Local history holds that a young woman, killed for a crime she did not commit, cursed this island.

A home decorated by its owner with eye-catching and captivating assemblages of found objects

Explore 400,000 years of humans' "battle against darkness" in this offbeat but thorough lamp museum.

Portraits of musicians line Oude Binnenweg, the jazziest street in the city.

This non-profit theatre in the heart of Brussels is dedicated to hosting independent films.

La Monte Young and Marian Zazeela's "Dream House" will immerse you in an ever changing world of sound and light.

The world’s oldest and biggest bookstore stocking only mystery, crime fiction, espionage, and thrillers.

A tiny, unmarked beer and whiskey bar above an Ethiopian restaurant in West Philly fails to conceal live bluegrass.

Old neon signs from the City of Brotherly Love provide a snapshot of the city’s evolution.

South Philadelphia is home to Keith Haring's only surviving in situ collaborative public mural.

More than 5,000 artifacts donated by the people of the city, plus a room entirely devoted to the band U2.

This museum is dedicated to the most famous Irish writers in history.

The somewhat misnamed 'Garden of Shells' lovingly built from found objects.

A former milk-delivery driver and his wife turn their home into a glimmering mosaic.

This professional clown's home is an outsider art wonderland.

An iconic and eccentric bar for "Manouche" Jazz music keeps expanding its space—and its influence.

A scandalous Art Nouveau collaboration that set Paris all atwitter at the turn of the century.

This Parisian café sticks almost exclusively to an ethos of reuse.

The storefront of a ramshackle Parisian puppet theater.