The Andean town where every single building is decorated with a brightly colored frieze.

One of Antoni Gaudí's most classic buildings is well-known for its "dragon-back" design.

Construction of Barcelona's iconic (but controversial) church is expected to be completed in 2026—a century after the death of its architect.

Natural rock formations resembling monks in hats inspire folk legends.

Secret North Korean passage discovered below the world's most dangerous border.

A chilling monument to Korean patriots who resisted the Japanese occupation.

This Cambodian riverbed is covered in ancient Hindu carvings both above and below the waters.

A battle between nature and architecture in the Cambodian jungle.

Home to more than 13,000 pieces of war memorabilia and military equipment.

One of the dwarven trees dates back to 1625 and survived the Hiroshima bombing.

A tribute to Ponce de Leon's supposed quest for eternal youth.

Behind a bodega is a small museum of relics and ephemera showcasing the history of New York.

La Monte Young and Marian Zazeela's "Dream House" will immerse you in an ever changing world of sound and light.

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

Tucked in a nondescript downtown Brooklyn mall is a bar containing a remarkable turn of the century anatomical wax collection last seen in 1920s Berlin.

This mosaic dedicated to John Lennon was tended for years by a Beatles super-fan.

This whimsical group of statues is a favorite of children who love to climb all over Lewis Carroll's beloved characters.

A massive sustainable farm designed by the mastermind behind Central Park.

A gothic church spire sits atop this skyscraper, the tallest church in the world.

Constructed in the 1920s, this former pencil factory is now an office building.

While it now takes more than a dime to open an account this historic Brooklyn bank still displays the opulence of the gilded age in which it was built.

One of New York's best collections of pinball is hidden in a secret bar in the back of this laundromat.

Ride the subways of yesteryear.

Michael Jackson got Bad and Crocodile Dundee walked on heads in this iconic Brooklyn subway station.