Coastal dunes, site of buried Egyptian movie set and former utopian colony.

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

These ruins of a pre-Columbian cliff village are among the most beautiful and well preserved in New Mexico.

Yo, Adrian!

This lonely waterfront memorial to the men of the Titanic was erected by the "Women of America."

This historic collection of Native Alaskan artifacts was resurrected through a partnership between the WPA and tribal artisans.

A tiny wilderness cemetery commemorates the deadliest episode of the Klondike Gold Rush.

The ghostly remains of what was once the world's richest copper mine.

Rumor has it the uncarved lump behind the three famous suffragists is reserved for the first woman president.

The second largest maple syrup producer in the U.S. runs a high-tech operation.

The actual model from the original "Star Trek" series is now on display at the National Air and Space Museum.

The second building of its name to occupy this location might be the finest flatiron building in San Francisco.

This isn't your average roadway—it's actually a National Park and a transportation pioneer.

Ninety feet off the valley floor is an ancient dwelling put under protection of the U.S. government by Teddy Roosevelt.

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

The bridge's highly-contested plaque (once again) honors Confederate President Jefferson Davis.

This sky-high radio mast is formerly the tallest man-made structure in the world.

D.C.'s first central library was born out of a chance encounter with the philanthropist whose name it bears.

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

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

Legend has it that President Grant’s frequent drinking in the lobby gave rise to the term “lobbyist.”

The collection of 80+ pieces created between the years 1100 and 1500 is intended to be seen, heard, smelled, touched, and tasted.

A lovely aquatic park built by a one-armed Civil War veteran who made a fortune from lotuses.

For 150 years one family has been producing the iconic hot sauce on a bayou island made of salt.