Italian cave with exceptional acoustics and an unsavory history.

142 ceramic steps become a mosaic once a year.

What looks like a simple quaint estate in rural Pennsylvania was in the 18th century home to a small monastic community.

The home of possibly the least-loved U.S. president stands as a sort of unpopular Monticello.

This bridge is the first to be made entirely from iron, but designed like it was still made of wood.

Wooden sleds have replaced donkeys to cart goods around this utterly charming car-free village.

400-year-old garden, restored to beauty.

A open air theatre built on a cliff by an eccentric British woman.

Want to properly offend a king? Sculpt a giant hill figure in chalk of him riding out of town.

65 million-year-old chalk outcroppings mark the end of the Jurassic Coast.

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

London's last remaining public soapbox site has seen speeches from Karl Marx, Vladmir Lenin, and George Orwell.

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

A statue marks the exact spot where The Boy Who Never Grows Up made his first literary appearance.

A unique tribute to the millions of animals who served and died for the British military.

Must form and function forever remain at odds? Not if the Florida Department of Transportation has its way.

An Aztec temple, the largest man-made pyramid in the world, sits buried in earth with a Spanish church set on top.

Hidden inside a hotel is a museum of miniature models depicting the traditions and history of Mexico.

The splendor of this 17th century golden chapel has led it to be called the "eighth wonder of the world."

This cluttered cantina is famed for its cheese-spiked, raisin-flavored liqueur.

Dating back to the second century, vestiges of prehispanic mural paintings are found in this underground palace.

This foreboding building was the headquarters of the terrifying Spanish Inquisition in Mexico.

A scientific repository of goiters, boils and other ailments throughout Mexican history.

Where layer cakes tower above one’s head and there is never a shortage of icing.