The grand marble structure next to the White House is Andrew Carnegie's temple to Pan-American diplomacy.

This ancient theater was once the home of fierce gladiatorial battles.

Railroad officials in the early 1900s sought to spare travelers the sight of Roman soldiers’ private parts.

Two large-scale sculptures of Adam and Eve greet visitors in the nude at the Time Warner Center in NYC.

This whimsical park encourages its visitors and wildlife to roam on and around the various works of art.

In this quiet park a rendition of a classic painting graces the outside of a charming restroom.

This is the last hand-cranked chain ferry of its kind in operation in the United States.

One incredible room in the Santa Barbara Courthouse is covered in wall-to-wall canvas murals.

An elaborate gift from Claus Spreckels is now a piece of San Francisco history.

A pair of large white marble lions guard this stretch of the Mojave Desert, and it is utterly mysterious how they got there.

The ghost town that ended up on Ebay.

One of the oldest continuously-operated gay bars in the United States is allegedly haunted by Truman Capote and Tennessee Williams.

The Denver airport is guarded by a 32-foot-tall sculpture of a demonic horse.

A spectacular remnant of an Adler and Sullivan masterpiece that was destroyed in 1972.

An actual 1957 Cadillac De Ville, encased in 15 cubic yards of concrete.

This kitschy tavern is also home to rare early editions of "Treasure Island."

The first public building in Savannah to offer air conditioning was a luxurious cinema that still operates today.

One of Savannah's oldest and most haunted cemeteries, featuring graves desecrated by Sherman's Union Army.

South Carolina's last remaining slavery auction house is now a museum devoted to its own tragic history.

A statue honoring 44 continuous years of greeting passing ships.

Oldest unrestored plantation house in America that is open to the public.

Once the most flame resistant building in the country, the South Carolina Historical Society building was almost burnt down in a fire.

L. Frank Baum wrote part of the "Wizard of Oz" series in this wooden Victorian beach resort.

The highway's southernmost spot is a beloved local attraction.