These Pre-Columbian petroglyphs contain representations of birds, deer, hunters, and even some early Native flute players.

"I did this all while you were watching TV."

Oldest building in California still in use.

Megachurch turned Catholic church comprised of 10,000 glass panes.

$10,000 won in a poker game in 1884 allowed James Draughon to build this intriguing home.

A Memphis park where you can walk the whole Mississippi River in one go.

Inspired by a foil-wrapped potato, (seriously) the Markel Building has been deemed one of the 10 ugliest buildings in the world.

Headquarters of the legendary clairvoyant's readings, spiritual hospital, and massage school.

Within this lovely Richmond cemetery lie the remains of famous Virginians and some of Edgar Allan Poe's most beloved family and friends.

The final resting place of two (or three) presidents, one vampire, and 18,000 Confederate soldiers.

This museum devoted to the gothic author holds such interesting ephemera as his socks and walking stick.

Giant busts of 42 U.S. presidents sit, crumbling in a field in Virginia.

One critic described it as "middle Mussolini, early Ramses, and late Neiman-Marcus." Another called it an architectural "natural disaster."

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

Long-abandoned trolley tunnels just a mile away from the White House are turning into an art space.

Duluth mineral magnates built this charming art deco lodge to be their private clubhouse.

Half of a waterfall goes into the river while the other half seems to disappear.

The famed architect designed this Minnesota gas station of the future with a lookout tower.

This picturesque cliffside beacon no longer calls to sailors but shines once a year in honor of a famous shipwreck.

This posh mansion began as a family's estate and ended as the site of a murder ripped from the pages of a pulp novel.

This rare vessel mixed luxury with labor before being converted to a museum and sometimes haunted maze.

This giant meditative chakra sits peacefully in the Flathead Valley of western Montana.

The world's tallest statue of an American hero.

Giant heads occasionally litter the industrial Houston neighborhood where sculptor David Adickes has his studio.