Philadelphia boasts one of the best — and most often overlooked — traditional Japanese gardens in North America.

Doris Duke's lasting collection of Islamic Art, hidden in a Hawaiian paradise.

A museum dedicated to the history and exploration of both popular music and science fiction.

Explore the largest pure gypsum deposit in the world, and go dune sledding while you're at it.

A snapshot of the city's fascinating voodoo culture.

A psychedelic labyrinth on the San Francisco bay.

A Civil War Museum with some notable medical antiques.

Ship skeletons haunt Baltimore's waterways.

This splendid Versailles-inspired mansion has the largest French-style formal gardens in North America.

The national park was once a plantation estate.

This North Carolina store preserves a historic moment in America's movement for racial equality.

A community of collapsing homes more than a mile out from the Florida coast.

One day a year it is legal to jump off of this astoundingly tall bridge that spans an Appalachian gorge.

A historic estate packed with George Washington's heirlooms, and its own nuclear bunker.

A curious collection of oddities including a lock of Alexander Hamilton's hair and Harry Houdini's ouija board.

Fittingly, America's museum of architecture is itself a magnificently designed old building.

The old Route 66 town straddling Texas and New Mexico died along with the Main Street of America.

A lovely aquatic park built by a one-armed Civil War veteran who made a fortune from lotuses.

This bridge is haunted by the ghost of a distraught mother.

An antiquated German apothecary on Chicago's North Side.

A tiny piece of the Moon is embedded in this stained glass masterpiece.

The "Seinfeld" diner.

Bubbling up from deep underground is the warm crystal clear water that fills the Warm Springs Pools, America's oldest spa.

Thomas Jefferson's estate is home to hundreds of varieties of historic fruits and vegetables.