This bomb shelter-themed bar has barely changed since it opened.

This collection of neon icons is preserving Arizona's history, one sign at a time.

This southwestern historic site was designed and built by an artist who wanted his work to "feel at home."

A natural history wunderkammer in the middle of the desert.

A derelict bit of infrastructure from the canal that once ran through D.C. is landlocked in the heart of the city.

Architecture lovers won’t stop touching the National Gallery's 19.5 degree marble prow.

Light bulbs, scrap wood, and tinfoil comprise this homemade throne of the gods.

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

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

Perhaps the most scandalous statue of America's first president.

The first purpose-built art gallery in the United States is once again open as a center of craft arts.

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

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

The United States Capitol's former columns still stand.

Non-profit time travel mart sells goods you would need for a trip through the fourth dimension.

This church on a Tohono O'Odham reservation has stood since 1797.

After starting as a whimsical tourist attraction that eventually found its way to ruin, these renovated canals offer a lush and exotic locale on the Pacific Coast.

Take shelter from Hawai'i's tropical heat under the massive canopy of largest Banyan tree on the island.

The beautiful 1920 Pantages Theatre remains hidden just underneath the LA Downtown Jewelry Exchange.

Historic funicular railway, believed to be the shortest railroad in the world.

This iconic L.A. bookshop is housed in an abandoned bank—both symbolic and chic.

In this small Phoenix taxidermy emporium, you can find everything from a squid in a jar to a freeze-dried toad.

Bootleggers ran booze beneath this building before (and after) Route 66 appeared beside it.

A pair of giant roadside arrows are all that remains of a former Route 66 trading post.