This building holds the embalmed remains of the leader of the Bolshevik Revolution.

The once forbidden "secret cabinet" of erotic art from excavations of Pompeii and Herculaneum.

As can be expected from a centuries old church built in a canal city, the undercroft of this house of worship is beautifully flooded.

The peaceful space is adorned by paintings by the famed abstract artist Mark Rothko.

Giant heads occasionally litter the industrial Houston neighborhood where sculptor David Adickes has his studio.

There is an unmarked red button hidden over Houston's Buffalo Bayou that is just begging to pushed...

A health museum containing a 27’’½-foot intestine.

Montreal's giant farmer's market is a foodie's best friend, especially in the winter months.

City law dictates that this mountaintop cathedral containing the heart of a saint is to remain the tallest building in town.

Small ship votives hang from the vaulted ceiling of this port-side church with a Latin inscription on the wall.

A historic Montreal market that was the city's agricultural hub for over century.

A Montreal deli that was so beloved that it was allowed to circumvent their laws of language.

A grand Gothic Revival basilica with stained glass depictions of Montreal's religious history has only one soul resting in its crypt.

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

Bangkok's men with dangerous jobs come here in search of protective talismans.

Ha Long Bay's "Cave of Surprises" houses a popular phallic rock formation.

The notorious "Hanoi Hilton" where Vietnamese colonial subjects and later American POWs, including John McCain, were imprisoned.

Monument to a brutal, ineffectual US bombing campaign and a sobering reminder of the human cost of the Vietnam War.

Ho Chi Minh's perfectly preserved body has been on display here since 1975.

America's oldest Eastern European synagogue provided the immigrants of crowded Lower East Side tenements a space of sanctuary.

The last remnants of what was once one of the world's grandest hotels can now be found in a Manhattan subway station.

Wall Street has a new heroine, a bronze statue of a small but fierce girl.

A hidden "place of interment for gentlemen."

New York City's only preserved family home from the 19th century.