This cemetery has graves dating back to the 17th century, including the city's oldest carved tombstone and an ominous cryptogram.

A pedestrian island in the middle of world-famous Times Square emits a strange (and purposeful) humming noise.

Whisper secrets in a busy station only to be heard on the other side of this acoustic arch.

Order scoops of pandan, lychee, and black sesame at this family-run institution.

Elevated freight railway turned wildly successful urban park.

This beautiful building in the heart of Manhattan's Financial District was empty for decades.

A beautiful and abandoned New York subway station from 1904, complete with chandelier.

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

Time has stopped at the house where Gandhi died.

This lavish estate recalls the opulent history of Calcutta.

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

This complex of vertically-excavated Buddhist, Jain, and Hindu monolithic temples in India's Maharashtra providence illustrates a spirit of tolerance characteristic of ancient India.

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.

This artificial archipelago was supposed to resemble a map of the world.

Dating back to 1812, this is the oldest racecourse in the Southern Hemisphere.

The “Thumb” of Mauritius provides a 360 degree view of the entire country.

A seemingly desolate park that belongs to two countries actually supports all kinds of wildlife.

The largest prehistoric ruins south of the Sahara, once a powerful center of international trade.

A safari-themed castle in the South African bush with the largest maze in the southern hemisphere.

Caves that can't seem to quit producing the remains of prehistoric humans.

Two giant painted cooling towers make for one of the world’s most epic bungee jumps.

A supply store for traditional healers, this shop sells the hair of a dog--and its skin, skeleton, and reproductive organs, too.