It should come as no surprise that the world's largest artichoke lies in the town that calls itself the "Artichoke Center of the World."

A winding path built in secret on the edge of the continent.

Ancient serpentine sacrifice holder that has stood the test of time.

Mrs. Mallard and her brood are a beloved fixture in Boston Public Garden.

A bronze of the man in all his sinewy glory celebrates his longtime connection to the Ohio city.

A line of blue paint marks the route of the inaugural parade.

The unique traffic pattern named for an influential urban planner is also known as the Pedestrian Scramble.

Washington's iconic carousel has a nice piece of Civil Rights history.

Members of Congress have traveled between the buildings on Capitol Hill for a century hidden from tourists, press, and storm clouds.

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

The "lovely red Vega" of the legendary record-settling pilot.

This imposing Masonic temple a mile from the White House was the first public library in Washington, D.C.

The little-known, 300-year history of the area includes former lives as a bustling tobacco port, parking lot, and industrial dump.

On the Fourth of July this area will transform into a Pompeii-like storm of falling embers and ash.

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

A private home built to resemble the shape of a microscopic creature.

Spiral labyrinth hidden in the hills above Oakland, CA.

Thousands of turbines whir at at the origin of North American wind power.

Most-visited and most-photographed slot canyon in the American Southwest.

Go inside the house that inspired L. M. Montgomery to create one of literature's most beloved heroines.

One of the Seven Wonders of the Modern World holds the world's tallest metal staircase.

Niagara Falls holds a special place in Nikola Tesla's history, so they put a statue on it.

Dramatic river bend surrounds a natural red-rocked pedestal.

See massive fossils that are over 200 million years old in northeastern Arizona.