La Monte Young and Marian Zazeela's "Dream House" will immerse you in an ever changing world of sound and light.

This historic building housed the surviving crew members of the Titanic, who were left destitute after the wreck.

Elevated freight railway turned wildly successful urban park.

Try not to get slimed in Tribeca.

Instruments, apparatus, and rare books all relating to chemistry and its related sciences.

The sounds of the world's largest fully functioning pipe organ dazzle shoppers at a Philadelphia Macy's.

The oldest surviving botanic garden in the United States.

The record holder for the world’s largest peach.

The Dover International Speedway is home to a towering, concrete-skinned, racecar-hungry behemoth.

The rusting remains are visible sticking out of the waters of the Delaware Bay.

World War II bunker still standing on the New Jersey beach.

A sacred site for Native Americans surveyed by George Washington and owned by both King George III and Thomas Jefferson.

A Norwegian-born sculptor created these soaring guardian angels at the entrance to Hoover Dam.

Known as the "Cross At The Crossroads," this massive metal cross is just short enough to avoid the FAA.

North America's oldest quarantine facility was built in response to Philadelphia's 1793 yellow fever outbreak.

One of the oldest log cabins in America is one of the last of its kind this historic Swedish dwelling remains a piece of living history.

Current docking place of the SS United States, the fastest transatlantic ocean liner.

The last of Philadelphia's wood-paved streets is now a landmark of terrible engineering.

In the early 1800s, surgery was also a show.

The yawning maw of this pagan visage is said to bite off the hands of liars.

I-95's Tijuana-style celebration of kitsch at the Carolina border.

A spiritual vortex among the red rocks in Sedona.

Buildings that dynamite couldn't bring down were abandoned because of bathroom issues.

This historic address is home to the beloved ball and is an almost totally empty building among the most expensive real estate in the world.