A blooming house of worship for the masses.

This hilltop warren of monastic dwellings is the result of centuries worth of Mongol attacks.

This abandoned fort is said to be the most haunted place in India, so much so that entry is prohibited after sunset.

A complex of six forts embedded in the Rajasthan hills.

This experimental utopian "city of the future" in rural India may hold a dark secret.

An extraordinary "City of Caves" carved from solid stone.

Once an indicator of social class, the color blue has come to define this city on the edge of the Thar Desert.

The remains of what was, not so long ago, the world's largest city.

The second-longest continuous wall on the planet protects a hidden secret in the deserts of India.

The world's second-largest sundial, made entirely out of stone.

A mecca for India's Jains.

More than half of this Indian palace is drowned but it looks all the more spectacular for it.

The 953 windows undoubtedly make this the world's most beautiful screened porch.

Thousands of exquisitely carved stone water storage wells, hundreds of stone steps fill this exquisite medieval stepwell.

Think you have a tough job? Try carrying 200 kilos through a cloud of sulfur down the side of a volcano.

An abandoned hotel in the highlands of Bali is shrouded in stories of ghosts, curses, and corruption.

This floating cinema brings new meaning to the phrase "going out" to the movies.

One of Canada's most incredible rare book collections holds hundreds of thousands of gorgeous tomes that the general public can touch.

The largest free-standing aquarium in the world resides in a hotel lobby in Berlin.

Remants of foundations, streets, and streetcar tracks inhabit the cliffs where a landslide occurred in 1929.

An overlooked marble is the only surviving in-place 18th century example of the measurement that changed how we define distance.

Despite being considered a thoroughly American sport, basketball's oldest surviving playing field is found in the basement of a Paris YMCA.

This massive library holds what was once the largest book collection in the world.

The studio built by fascists in the hopes of "reviving the film industry" with the occasional propaganda film opportunity thrown in.