The United States Capitol's former columns still stand.

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

Housing the National Women's Party since 1929, this historic house is now a monument to the fight for gender equality.

The Pentagon is so large that it was planned like a city, complete with internal highway infrastructure.

An out-of-the-way wildlife haven with a rich and storied past of harboring thousands of fugitive slaves, or "Maroons" during the mid 1800s.

Look closely and you’ll notice that the color changes a third of the way up the tower.

This unique museum cafeteria showcases the history and regional diversity of African American cuisine.

Fourteen curious and controversial white bunnies sit in a circle near Newport Beach City Hall.

These were the largest wind chimes in the world when artist Tom Van Sant created them for a California mall in 1967.

This enormous World War II relic is one of the largest wooden structures in the world.

The moving metal works of one troubled artist can still be viewed on his front lawn... for now.

Thanks to a quirk of elevation this gift shop produces magic doughnuts that are found nowhere else on Earth.

Strange red rock formations that have been attributed to a higher power for hundreds of years.

These faux-cliff dwellings allow visitors to climb around on a replica archaeological site.

What began as an art installation is now the private drinkhaüs for a brewery's employees.

A statue of the English poet for whom this Delaware town is named is ritually dressed in seasonally appropriate clothing.

Baltimore's classic clock tower was once topped by a rotating, 20-ton medicine bottle.

A mysterious echo seems to defy the laws of acoustics.

This picturesque cottage was the site of Ulysses S. Grant’s final and perhaps most important campaign.

Two mermen, eternally spitting into each other's mouths.

A monument to the military service of America's greatest traitor refuses to even name him.

Pittsburgh's literal underground railroad.

The largest clock face in the United States is twice the size of Big Ben and infinitely more ad-sponsored.

The last street in Pittsburgh that's paved with wood.