A sculpture outside London's oldest cathedral honors the Mohegan chief who died while petitioning the king.

The commemorative stone column conceals a secret laboratory.

This ornate Victorian marketplace was the setting for Diagon Alley and the Leaky Cauldron in the Harry Potter films.

Spitalfields' regal market goat is said to be a monument to the area's migrant population but most are pretty sure it's just a goat.

Hidden behind a wall for decades, this masonic lodge was only rediscovered during renovations.

Never actually a tree at all, this spot was the site of London's public hangings for nearly 600 years.

The final resting place to 300 Victorian-era pets hides inside the city park.

255 feet of suds, scrubbers, and blow dryers.

Legend has it the commander of the defenders drew a fateful line in the dirt with his sword just before the final battle.

Craggy concrete faces are hidden in the walls of this artificial cave along the San Antonio River.

These boots are made for selfies.

Established in 1925, Kiddie Park claims to be the oldest amusement park in the U.S. - a cozy little time warp nestled in a shady corner of the modern world.

An enormous pink granite batholith, long attributed with spiritual powers by the Tonkawa Indians.

The saga of the massive nut begins and ends in Texas.

Texas's oldest bakery serves authentic German pastries, including legendary strudel.

The pit stop from "The Texas Chainsaw Massacre" now serves beef and pork barbecue, not people.

A popular swimming hole that hides one of America's most deadly diving spots.

An emerald-green grotto just a short trip from Austin.

A grove of colossal man-made flowers built to collect the sun's rays.

Turning night into day in Victorian-era Austin to thwart a serial killer.

Locals dubbed it the "Owl Building" because of its bird-like appearance.

A store full of vintage and indie toys designed to bring out the kid in even the crustiest of adults.

Roadside Americana, fairy tale characters, and Austin quirkiness come together at this magical course in the heart of Texas' capital city.

A free, canine-friendly alternative watering hole near the more famous Barton Springs.