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

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

Ancient traditions and surreal birdwatching come into sharp relief along one of the world's most polluted rivers.

An ancient instrument used to measure the waters of the Nile so Egyptian farmers would know whether to expect famine or flood.

The home of Greece’s national poet sits crumbling in the middle of a popular tourist district.

This Ottoman-era church is hidden amid a busy tourist area.

This Byzantine Church was moved from Paris to Athens block by block.

A historic building houses one of the most important archaeological institutes in Europe.

The ruins of an ancient fortification wall sit in front of and underneath this boutique hotel.

This ancient hydrological marvel is now the base of a modern outdoor cinema.

Likely Mexico City's most eclectic shopping mall, with its own version of the Walk of Fame.

This stately clock was gifted from China's last imperial government to the people of Mexico.

In 2008, this Mexico City metro station was the site of an hours-long fight between emo, punk, and goth groups.

This piece of a Renaissance-era Spanish castle remained lost for decades.

A market for witches is hidden within a train station.

The elaborate crypt where Peruvian heroes of the War of the Pacific were laid to rest.

This stone complex marks the urban center of a lost civilization.

This French cemetery houses some of the most exquisite examples of funerary art in Mexico City.

This striking landscape in northern Vietnam contains both geological and archaeological wonders.

A mile-long audio-guided walking tour preserves an iconic era of Portland soul music.

Get your cosplay on at Portland’s only Medieval fantasy-themed mead hall.

A nightmare for the claustrophobic lies hidden in Southeast Asia.

Built to power trains, the engines in this building provided the entire city of Madrid with electricity during the Spanish Civil War.

The remains of this misplaced church were moved here stone by stone.