This concrete tangle of square pipes has stood as a proud thorn in the city's side since the '70s.

An "anarchical" no man's land, complete with garbage sculptures and a hobo-run "Landfillian Library."

Remants of foundations, streets, and streetcar tracks inhabit the cliffs where a landslide occurred in 1929.

America's most famous piece of self-built architecture.

Once called the "Polish Gold Coast" it is an icon of the neighborhood that bears its same name.

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

Walk into the 19th century without leaving Brooklyn.

This city park was once a lookout point for George Washington’s army during the Battle of Brooklyn in 1776.

Sniff the Titan Arum's rotting flesh.

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

This historic address is home to the beloved ball and is an almost totally empty building among the most expensive real estate in the world.

Make a tough dinner decision: Octopus wasabi roulette or bull penis?

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

Granting the right of way to ships over surface traffic since 1917.

A giant Troll lurks under one of Seattle's oldest bridges.

This stunning concert hall has become a symbol of Iceland's national recovery.

An encyclopedic collection of mammal penises.

One of the tallest buildings in Iceland, and perhaps, the most visually impressive.

The pedestrian traffic signals in Brazil's teeming metropolis light up with clues to nearby landmarks.

Part bookstore, part café, and part forest.

66,000 pieces of art, donated by one of the world's richest men.

A jaw-dropping "megalibrary" that turns book-browsing into a geometric adventure.

A modern day curiosity cabinet.

A look into the Church of Scientology's deeply unfavorable view of psychiatry.