San Francisco's newly reopened hands-on science museum.

A huge musical instrument played by the ocean.

A psychedelic labyrinth on the San Francisco bay.

An artsy hidden staircase leads to breathtaking views of San Francisco.

Tiki luxury on Nob Hill.

Its buzzing collection honors vibrator history.

A museum befitting the city responsible for supplying the majority of the world's LSD.

Carnivorous plants, medieval aphrodisiacs, and the largest original wood structure glass conservatory in the western hemisphere.

A 19th-century funicular railway shuttles visitors up this surprising sea cliff to one of the world's largest camera obscuras.

The largest puppetry museum in the United States houses the world's most complete collection of Jim Henson artifacts.

These ancient ritual mounds are our best window into the culture of the ancient Mississippians.

The way these carnivorous dinosaurs are posed is an homage to a classic work of paleoart.

This Delaware River bridge is emblazoned with a catty slogan from a more prosperous time.

America’s oldest community theater, this Boston club has been in operation since 1877.

This beautiful architectural gem was the first waste treatment facility in Boston.

The 1920s child prodigy author was last seen here at her Brookline home before vanishing at age 25.

This Dutch-styled residential building was originally a cocoa company's World's Fair showpiece.

America's original house of worship for Spiritualism, the religious movement based on communing with the dead.

Sacks of potatoes, made of cast stone, mark where the iconic potato sheds once stood along the river.

At 135 years old and counting, this historic print shop is heaven for poster nerds and music buffs.

This historic folk art garden contains a nightmare tower that claims to be the world's largest concrete totem pole.

It's easy to see why this eclectic architectural wonder has been dubbed the "Spaceship House."

At Oklahoma Panhandle State University, a plaque marks a place once known as No Man's Land in the linear world and the fictional Kcymaerxthaere as well.

If drivers cross the rumble strip on this stretch of Route 66 at just the right speed it plays "America the Beautiful."