Iceland's largest lagoon is home to stunning multi-colored icebergs.

Medicinal spa created from the mineral-rich runoff of a geothermal power plant

The little-known, 300-year history of the area includes former lives as a bustling tobacco port, parking lot, and industrial dump.

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

The walls of the iconic dome are hollow and have a secret stairway.

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

Home to items never before seen by the public.

Time has stopped at the house where Gandhi died.

Modest by day, illuminated majestically at sunset.

A haunting collection of the vanished and disappearing natural world.

Five sultans and their families rest in eternal splendor, teeming with overlooked beauty and drama.

Where the lovelorn find a home for their sentimental keepsakes.

This tiny museum's sizable collection is jammed into a former underground public toilet.

The largest whale museum in Europe allows visitors to walk among life-size giants.

"In the Dark" Restaurant in Paris offers dinner in complete darkness.

The oldest stone house in Paris was built by its most famous alchemist.

The personal library of the founder of modern neurology is open to visitors.

The celebrated eyesore created by starry-eyed sweethearts.

A collection of comics, graphic novels, animation and caricatures devoted to exploring this often overlooked art form.

This modest marker near Notre Dame identifies the very center of Paris.

A counter-culture bookstore like no other hides in plain sight in the streets of Paris.

One of the oldest medical collections in Europe focusing on rare surgical instruments.