Once the last route taken by condemned prisoners.

Chester Cathedral is home to a unique painting crafted on a canvas of cobwebs.

At the United Kingdom's only residential library you can sleep among the books.

Western Europe's only representation of a Roman goddess still in its original location sits in an unassuming park.

Mysteriously stacked storefront paths give this medieval British town an iconic style like none other.

Vienna's diversity-themed traffic lights were inspired by the Eurovision Song Contest.

In the middle of a Vienna square, Roman ruins dating back some 2,000 years are on display.

The beautiful baroque library of the Hapsburg empire.

The southernmost outpost of the Russian Empire in colonial America.

This whimsical seashell-shaped place of worship was designed to blend into its surroundings.

The library houses an incredible collection of some of the world's most impressive books and manuscripts.

This coffee shop lies hidden beneath a historic church.

An island filled with hundreds of hanging, decomposing, decapitated dolls.

This strange sculpture of a menacing skull surrounded by sun rays was discovered at the foot of the Pyramid of the Sun.

The turquoise-studded skull of a long-dead Aztec man sits within Mexico City’s Museum of Anthropology.

This ancient jade mask depicting the Zapotec bat god was found in the ruins of the pyramids of Monte Alban.

Some charming, but sadly, unloved animal statues call this park home.

A jaw-dropping "megalibrary" that turns book-browsing into a geometric adventure.

A Volkswagen Beetle decorated with millions of beads connects Mexico's past and future.

On a cornerstone of the City Museum is the head of a monstrous serpent stolen from an Aztec pyramid 400 years ago.

You can release a young butterfly at this beautiful indoor garden.

Its exhibits are dedicated to educating the public about state terrorism in Mexico.

Inside a busy metro station, an impressive mural depicts the prehispanic city of Tenochtitlán.