An echo chamber with a waterfall wrapped around its base at the Embassy of Canada in Washington, D.C.

The Aldie Gristmill was once the largest factory of its kind in Loudoun County.

Recreations of a Norse longhouse and boat on Shetland's northernmost inhabited island.

This statue honors the author's groundbreaking family story.

This building at the south end of the boardwalk was once home to the U.S. Life-Saving Service and the U.S. Coast Guard before being rescued itself.

Artifacts of whaling, with both its perils and adventure, are housed in this museum in a former candle factory.

A pig barn converted into one of the most eclectic residences in Nantucket.

Small island science organization offers public the chance to participate in research.

The island home of an unlucky whaling captain whose story inspired a great American novel.

This church is named for one of the most dramatic tales in the early Christian church.

This Grade II Listed Building with an Art Nouveau façade once contained a unique print shop.

Now home to a drinking establishment, this building has a macabre history.

The real-life site of Ichabod Crane's infamous gourd attack.

This Ottoman-era church is hidden amid a busy tourist area.

A Byzantine church containing the holy remnants of three saints sits atop the site of an ancient temple.

The Cycladic architecture makes this Athens neighborhood feel like an island paradise hidden in the shadow of the Acropolis.

Formerly known as Saville Theatre, this mid-20th-century entertainment hub includes an ornate frieze.

This home designed for chocolate magnate Antoni Amatller is an exquisite treasure-box of Catalan Modernism.

The celebrated eyesore created by starry-eyed sweethearts.

This statue was given to France by the United States to commemorate the centennial of the French Revolution.

A secluded, little-known temple hidden amid the dense jungle.

This unacceptably tall building was the real reason for Washington, D.C.'s skyscraper ban.

A bas relief commemorates the "Nuns of the Battlefield" who cared for soldiers on both sides of the conflict.

Next to the Leaning Tower of Pisa is a cemetery home to ancient sarcophagi and disturbing murals.