This exacting restaurant will charge a fine for every grain of rice you've left behind.

Bronze footprints mark the path where a civil rights leader tried to march in peaceful protest before being knocked unconscious.

St. Augustine's record-setting narrow street was designed to protect against pirates.

At just 51 feet and 10 inches long, it's the shortest street in England.

"Try not to knock anything over!"

A magical sinkhole on the Yucatán Peninsula is adorned with mini waterfalls and hanging vines.

The meteor that sealed the fate of the dinosaurs landed at this site, one of the largest impact craters in the world.

One of the few places where you can visit a cenote and Maya ruins at the same time.

Iconic red and white plaques show the creative names invented to navigate the city streets.

Found down a long dirt road, a sacred Mexican cenote and 18th-century hacienda remain hidden.

These azure waters were thought to lead to the Mayan Underworld.

An eccentric inventor's castle home with its own indoor weather system.

Enjoy an overnight at an old haunted B&B site of the Borden family murders.

The former locus of Boston's high culture has been shuttered and buried for over 70 years.

Narrowest house in Boston.

Radical Bookstore and Community Space.

19th-century operating theatre in which the use of ether was first demonstrated - plus, a skeleton and a mummy!

Dim sum, served in a grand old theater.

A morbid secret lies hidden within the beautiful walls of the Boston Athenaeum.

One of the oldest used bookstores in the U.S. has been selling antiquarian treasures since 1825.

This upscale streetwear store is hidden behind a fake Snapple machine in the back of a deli.

A beautiful Victorian-era cemetery, complete with a miniature village.

The former home of the hard partying literary power couple is now one of the only museums devoted to their story.

The remains of an idyllic small town built for the film 'Big Fish' still stand around a rundown main street.