Once the largest windmill outside of Holland, with enormous 114 foot sails.

The key to turning shifting dunes into the green oasis of Golden Gate Park.

The giant pair of sexy legs sticking out the window of this costume store have become its main draw.

One of few lasting examples of the brief octagon craze that developed into folly.

Since 1973, this block has been home to the most concentrated collection of murals in San Francisco.

Early prototype for Frank Lloyd Wright's Guggenheim.

The oldest burial ground in the city, final resting place of city founders, Ohlone natives and murderers alike.

Read a book next to a Midtown waterfall.

Furniture tries to escape an abandoned building in San Francisco.

The largest hot spring in the United States is, as the name suggests, a stunning show of natural color.

Relics of the 1894 Midwinter Exposition continue to delight visitors today.

Kings Cross Station pays tribute to its role in Britain's best-selling book series.

A beautiful geyser under environmental threat.

The world's largest mountain carving could fit all of Mount Rushmore inside it many times over.

Whisper secrets in a busy station only to be heard on the other side of this acoustic arch.

A cemetery housing wild west legends in South Dakota.

The first declared National Monument in the United States.

Four glass boxes hover over 1,000 feet in the air to give visitors an unparalleled view of Chicago.

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

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.

The granddaddy of all tourist traps, built on ice water, jackalopes, and a giant dinosaur.

The magic's in the hole!

Portlandia is the second-largest copper repoussé statue in the United States.

What happens when a sculptor has to find a way around a 100-year-old copyright.