An extraordinarily ornate museum in San Diego holds wondrous anthropological treasures.

After a short-lived attempt to bring America in line with the rest of the world, this road was left in metric.

This Arizona observatory is famous for investigations into Martian life, and as the place humans first spotted Pluto.

This 4,000-foot-diameter hole is touted as "the most well known, best preserved meteorite crater on Earth."

One of the only Florida forts to remain in the hands of the Union all through the Civil War still stands as a historic stronghold.

The former home of the Nobel Prize-winning American writer is now home to dozens of six-toed cats.

The largest wooden building in the world now houses a fascinating collection of aircraft.

The first declared National Monument in the United States.

Traditional 15th century Chinese garden in the middle of Vancouver.

The final resting place of a space program monolith.

A rococo retro-futurist future-rustic vernacular between yesterday’s tomorrow and the future that never was.

Not merely a museum – but a whirring powerhouse that offers a subterranean peek into the heart and soul of cable car operations.

San Francisco's oldest surviving monument and meeting place for 1906 survivors.

Only hotel where you can legally launder money.

The twin towers in this Chicago fountain use 50 foot tall video screens to spit on people.

Aqueducts have dramatically changed this old lake, now home to tufa towers and its very own species of tiny brine shrimp.

The secret city built by the Manhattan Project.

Officially named the "Loneliest Road in America," this barren stretch of Nevada road offers almost nothing but sky and open fields.

Come for the speed, leave in love with the desert.

A towering tribute to decisiveness stands on the spot where Brigham Young and his followers decided that this must be the place.

Step into the cool deep past and unknown future of who begat who.

This concert pavilion on the shore of the Great Salt Lake has been destroyed by fire, water, and disinterest but keeps coming back.

Largest man-made excavation on earth!

The unluckiest U-boat in the entire German fleet is now on display in a Chicago museum.