A detailed pachyderm supports Rome's smallest Egyptian obelisk.

This delightful little museum is dedicated to only one thing: pasta.

A fairy tale castle in modern Rome.

Architectural monsters are devouring this palace's every door and window.

The final resting place of the poets Shelley and Keats.

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

The only "Egyptian" pyramid in Europe and the legendary tomb of Remus.

Microscopic scenes; some call it novelty, some call it art.

Rome's semi-secret peephole vista is also a former Crusader stronghold.

Two stunning 17th-century libraries and a cabinet of curiosities.

A church of bones, decorated with 40,000 human skeletons.

Monasteries on rock pillars, once accessible only by frayed ropes.

In this historic region, homes and churches are carved into ancient volcanic rock formations.

Tucked in the back of this amazing antique store is an important piece of medical history.

Non-profit time travel mart sells goods you would need for a trip through the fourth dimension.

A terrific purveyor of natural history objects and curios.

Paris' fabled purveyor of exotic taxidermy and natural history curios.

Private collection of art inspired by cabinets of curiosity.

The restored and active Victorian-era final resting place of San Francisco.

A 140-year-old castle with underground caves hidden in San Francisco.

A brooding mansion of clinker brick stands out among the Victorian houses of Pacific Heights.

The only theatre in the world constructed specifically for sound movement.

Appropriation-friendly collection of books, periodicals, and more.

A library built during San Francisco's pioneer times is a student's retreat, bibliophile's sanctuary, and chess player's delight.