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

Futuristic apartment blocks are the backdrop for Montreal surfers hangin' ten on the Habitat '67 standing wave.

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

Lake Champlain Bridge, the recently demolished and rebuilt bridge where they filmed "What Lies Beneath".

These lesser-known Maltese catacombs date back over 1,700 years.

The oldest surviving botanic garden in the United States.

Once at the center of U.S. finance, the historic Trading Room was meticulously recreated piece by piece and rebuilt in the Art Institute.

A military museum and library dedicated to the citizen soldier.

The twin towers in this Chicago fountain use 50 foot tall video screens to spit on people.

One critic described it as "middle Mussolini, early Ramses, and late Neiman-Marcus." Another called it an architectural "natural disaster."

"Congress may voluntarily remain in session throughout the summer, in order that our Congressmen may be protected from the intolerable discomforts and dangers of the ordinary outdoor weather!”

The walls of the iconic dome are hollow and have a secret stairway.

Designed by Buckminster Fuller, this relic of the 67 Expo survived fire and ice.

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

This open air cathedral invites all faiths to worship under the only roof big enough to fit them all: the sky.

Hear the quietest sound from across the dome.

A painting in the historic Cathedral Basilica depicts Jesus and his disciples dining on a traditional Peruvian menu.

Death rituals and sacrifice inside a Peruvian megalith.

A fascinating little museum all about the rich history of Peru’s famous plant.

Fittingly, America's museum of architecture is itself a magnificently designed old building.

This rare vessel mixed luxury with labor before being converted to a museum and sometimes haunted maze.

Buildings that dynamite couldn't bring down were abandoned because of bathroom issues.

A failed piece of Orientalism has become the proud symbol of a community.

Frank Lloyd Wright's most iconic home dangles over a Pennsylvania waterfall.