The place of worship for Zoroastrians, Mumbai's Parsi fire temples use fire and ash for purification.

A Zoroastrian funerary tower where excarnation rituals are carried out is threatened by the area's dwindling vulture population.

In Mumbai, a bright blue synagogue is the largest one for the Baghdadi Jewish community in Asia.

This tiny abode has been covered in the art of the little old lady who made her life and living there.

Surreal riveted sea forts once protected the Kent shores from German attack.

This abandoned gun tower was built to defend the River Thames from a French naval attack.

The 32nd president's sprawling cottage sits on an island enclave jointly managed by the U.S. and Canada.

The mastermind behind this palatial hotel perished on the Titanic weeks before its grand opening.

Possibly the world’s easiest Easter-egg hunt.

The only town in the world with two exclamation points in its name.

Montreal's colorful subway station shows its support of the local LGBT+ community.

With nearly double the depth of the Grand Canyon, this Peruvian canyon is one of the deepest in the world.

A mysterious spot where the laws of gravity seem not to apply.

A community-run museum invites visitors to explore Jewish communities before and after the Holocaust.

Beautiful mostly-abandoned town only accessible by sea-worthy boat or plane.

This "Palace of Purification" has made many film appearances as a dark and sinister headquarters.

Rusty red sands line the shores of this Canadian Province.

A surviving remnant of the thick ice mass that once mantled most of Western Canada's mountains.

This unusual structure may be on its way to becoming a cultural landmark in Toronto.

Louise Bourgeois' 30-foot-tall steel spider sculpture.

Cliffs that hold fossils, including the earliest known reptile, dating back more than 300 million years.

This 1967 experiment in modular architecture was designed to be a new model for urban living.

The summit Roosevelt conquered before he descended to become The Chief.

A hamlet full of permanent Christmas spirit holds one of the earliest theme parks in the United States.