A tiny piece of the Moon is embedded in this stained glass masterpiece.

Home to items never before seen by the public.

A strangely forgotten claimant to the much contested title of "Source of the Nile."

This replica of the Greek structure is in the heart of Nashville.

The world's longest known cave system.

A museum dedicated to the history and exploration of both popular music and science fiction.

This mosaic dedicated to John Lennon was tended for years by a Beatles super-fan.

Mysterious 500-year-old tapestries depict a unicorn hunt.

The oldest cemetery in New Orleans, resting peacefully for over 200 years now.

The final resting place of New Orleans' most famous voodoo priestess.

Gaudí's famously flamboyant architectural style is on full display in this sprawling park and garden.

Construction of Barcelona’s iconic (but controversial) church was finally completed in 2026—a century after the death of its architect.

The celebrated eyesore created by starry-eyed sweethearts.

An "inside out" building in the historical center of Paris, featuring Europe’s largest modern art museum.

Medieval museum built over Roman baths that features famous tapestries of a lady and a unicorn.

Deep scars on the earth left by the Ice Age.

The world's tallest doric column is this Ohio monument to a naval victory in the War of 1812.

A tribute to one of the most famous cowboys on TV, and the consumerism that fueled his popularity.

Marvel at this turn-of-the-century masterpiece that has been turned into a rather stately supermarket.

Funded by John D. Rockefeller, this is one of the earliest, and most beautiful, shopping arcades in America.

Cleveland's giant "free" stamp is a nod to the Civil War, but was misinterpreted for years.

The only depiction of Abraham Lincoln holding a weapon, and the names of all 9,000 Cuyahoga veterans of the Civil War.

This spectacular public market has got meat, fish, vegetables, baked goods, and enough kielbasa for a lifetime.

Medical history museum featuring a lovely doctor's office from the 1800s.