This hidden Sufi cemetery is a spiritual monument for India's third gender community.

An ancient iron pillar in Delhi that seems to be rustproof.

A blooming house of worship for the masses.

Delhi's oldest Christian cemetery is also said to be one of the most haunted in the region.

This beautiful 16th-century necropolis marks an astonishing feat in heritage conservation.

The former Willingdon Airport started operations in 1929, in India's capital, Delhi. Now, it's used for maintenance runs and helicopter rides.

India's first open-air public art district sits in the heart of the country's capital.

A startling, centuries-old subterranean marvel hides in plain sight.

The mysterious empty cupola behind the monumental arch points to an ancient prophecy of Delhi.

Time has stopped at the house where Gandhi died.

Also known as the "Red Taj Mahal."

This small cafe aims to empower acid attack victims and stop violence against women in India.

An imperial fortress city that incorporated cultural elements from the entire Mughal empire, only to be abandoned the year it was finished.

India’s only Brain Museum displays over 200 fascinating ways that your brain might kill you.

An effigy of the deity emerges from a temple's water every 40 years.

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

A once-stately trading fort is now a ruin slowly being consumed by the sea.

Modest by day, illuminated majestically at sunset.

A single tree's 2,800 aerial roots give the appearance of a complete forest.

For patriotic Russians, this memorial honoring the Soviet soldiers who died liberating Berlin in 1945 is the most sacred location outside of Russia.

Art installations, derelict railcars, and endangered grasshoppers all call this south Berlin park home.

The last remnants of a massive medieval wall that once encompassed the city of Berlin.

Cold war icon and onetime "hole" in the iron curtain.

A restaurant and observation deck built in a unique broadcasting antenna.