The only "Egyptian" pyramid in Europe and the legendary tomb of Remus.

Walk through a restaurant's refrigerator door to reach this hidden bar.

Featuring Zürich's only authentic 14th-century plague doctor's uniform!

Eat a Nobel banquet from any year in the basement of Stockholm's City Hall.

Entire apothecaries are on display at this Lisbon museum, which explores the history of medicine.

The world's oldest bookshop still in operation.

Barça football fans might see the insignia hidden in a church window as a divine sign.

Construction of Barcelona's iconic (but controversial) church is expected to be completed in 2026—a century after the death of its architect.

The vast, legendary catacombs hold secrets much stranger than stacked bones.

Walk through spectacular aisles of hanging meat and wagon wheel–sized cheese at the world's largest wholesale food market.

This network of conjoined cellars was riddled with traps and supposedly allowed the townspeople to pretend their homes were deserted.

This doorless 20th-century elevator doesn't stop or slow down.

One of the most beautiful bookstores in the world hides a neo-Gothic interior behind an art nouveau facade.

Established in the '60s, a family-owned tropical drink bar founded by Ray Buhen, bartender to the stars.

Non-profit time travel mart sells goods you would need for a trip through the fourth dimension.

A Swiss board game museum housed inside a picture-perfect castle.

Its vast collection of wondrous gadgets details the fascinating history of information technology.

The world's first zoo for microbes collecting the horrible and wonderful things living on and around us.