The mansion-like building is packed with Texas pride.

For nearly a century, one of the oldest barbershops in Texas has been cutting hair the old fashioned way.

This memorial marks the devastating day that Texas City was destroyed in a daisy chain of exploding ships.

This small park features a monumental fountain wall, providing a great photo opportunity in the middle of Houston.

A curious statue fit for a mad tea party.

Once seen as a bit of an eyesore, this sculpture has become a staple of downtown Houston.

The deadly but beautiful ornamental oleander was planted all over the island of Galveston after the hurricane of 1900.

Mutant vegetables, transgenic mosquitos, and atomic rodents span the walls of this one-of-a-kind museum.

This supper-club-turned-concert-venue still serves drinks at its original rotating bar.

The site of an ancient Mississippian settlement that appears to have flourished during the 10th to 13th centuries.

Advice-columnist's bell tower, paid for with pennies.

The site of the one of the most deadly train wrecks in American history.

This defunct, fortress-like prison has been the setting for several movies.

California's largest steel arch bridge.

A three-story tower of books about Abraham Lincoln is one of the more unusual monuments to the president.

She stares out across six lanes of traffic, clutching a musket and infant with determination.

FDR's Art Deco hospital tower was hopelessly inefficient.

This mighty white oak in Bethesda survived both the American Revolution and the construction of Washington D.C.'s metro red line.

The location where the famed author and abolitionist began his journey to freedom.

A tiny piece of the Moon is embedded in this stained glass masterpiece.

A historic arena where the Beatles played their first concert in the U.S.

Helen Keller once broke ground on this historic center for the study of technologies to benefit the hearing impaired.

The only Leonardo Da Vinci painting in the Western Hemisphere.

This large garden vase urn has nothing to do with the seventh U.S. President—it was designed by one landscape designer to honor another landscape designer's contributions to the National Mall.