One of the oldest scientific gardens in Britain, containing more than 13,302 plant species in its core collection.

360° views of the city plus five floors of optical illusions and hands-on science.

A vertically floating hemlock controls the waves and weather at Crater Lake.

One of the best collections of antique printing machinery in the world.

This well-traveled chess park offers scenic views of the pacific and a colorful, eclectic clientele.

A 300-ship graveyard, with a few still visible at low tide.

Staircase winds down the side of Telegraph Hill through gardens, wild parrots flying overhead.

California's own medieval Italian castle, authentic down to the 300-year-old iron maiden in the dungeon.

Stripes of flowers bloom each spring in a 50 acre rainbow of color.

Colorado Boulevard’s historic bookstore, operating since the bustling city of Pasadena was merely some orange groves and a few ostrich farms.

This Birnam-based garden honors the legacy of 19th-century children’s book author Beatrix Potter.

These fantastically named natural pools look like something out of a Scottish myth.

This small museum in a 17th-century building honors three iconic Scottish writers.

Remnants of the 16th-century defensive wall still stand unassumingly within Edinburgh.

The most loyal of little dogs, or a Victorian era publicity stunt?

An inconspicuous footbridge beloved by San Diego locals.

A statue commemorate Tommie Smith and John Carlos's brave protest at the 1968 Olympics, a watershed moment for civil rights.

The sound of swaying stalks in this stunning grove has been named a governmentally recognized sound.

This 700-year-old street food market features baby octopus and soy donuts.

The 10,000 Torii shrine.

The legendary building that needed ghostly approval before being built.

This concrete tangle of square pipes has stood as a proud thorn in the city's side since the '70s.

A "gravitational anomaly" located in the redwood forests just outside of Santa Cruz, California.

A giant chess set, minus the psychedelic drug trip.