Places Kelly Catalfamo Wants to Go

This 1,300 year old monastery built atop a single rock was once only accessible depending on the whims of the tide.

This open-air mosaic gallery honoring an English artist took hundreds of volunteers more than seven years to create.

A domino effect created with Britain’s iconic telephone boxes.

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

The ruins of a church destroyed by both the Great Fire of London and the Blitz, now turned into a peaceful garden.

A museum that chronicles the interesting and often dark history of the London docklands, once one of the major trading ports of the world.

This shop and gallery is a modern-day cabinet of curiosities, unassumingly positioned along an urban thoroughfare.

A kaleidoscopic warehouse-maze of handmade neon signs.

One of the few remaining casualties of the London Blitz, this destroyed church has become an enchanting public garden.

A hidden workshop for creating and restoring Papal mosaic masterpieces.

A series of caves, tunnels, and wells filled with fascinating figures and symbols.

In the 1940s, Italian architect Mario Cavallè built a dozen of these round homes in northern Milan.

Invented in the mid-19th century, this machine could send copied images via telegraph lines.

South of Bologna, a limestone grotto with a protruding waterfall and a floor full of cave pearls.

This hidden Art Nouveau courtyard is an opulent feast for the eyes.

Once a giant oak that served as the region's post office.

Crystal clear lake with a shoreline of travertine located in a Colorado canyon.

An architect's childhood fantasy treehouse made real.

The preamble to the U.S. Constitution written entirely from vanity license plates hangs in the Smithsonian museum.

Mysterious installations bring levity and light to a sometimes stodgy city.

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

With over 100 jam-packed rooms to explore plus elaborate tea services and events, the Mansion on O Street is a hidden treasure.

The brainchild of Eleanor Roosevelt, her "Little Village" was a collectivist dream.

Endless rows of boxes of paper records line the hallways of the archaic federal facility where guns are traced.