This tremendous timepiece was once the largest cuckoo clock in the world.

A historic casino where Dostoyevsky is said to have lost it all on a single spin of the roulette wheel.

This museum explores the history of the city's public transportation. Its collection includes the world's oldest preserved electric trolley car.

The last home designed in its entirety by noted architect Luis Barragán owes its existence to an impressive jacaranda tree.

Legend says the building's unusual features were added at the request of a paranoid president.

Worm salt and other local ingredients are on the menu at this cult favorite ice cream shop.

This hotel is an amazing example of the Escuela Tapatía de Arquitectura movement.

This Aztec structure remained hidden until the demolition of a supermarket exposed the lost temple.

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

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

This incredible college library is a visual masterpiece of mosaic art. It also looks kind of like a giant boombox.

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

The ruins of an ancient temple to the Aztec wind god discovered in the middle of a metro station.

These biodiverse university gardens form a green oasis amid the urban chaos of Mexico City.

Mexico City's largest market contains a Willy Wonka-esque wonderland.

These haunting ruins of a 700-year-old Prehispanic city have witnessed centuries of wars and massacres.

Gilded heaven for philatelists and architecture freaks, still in full working order despite sitting atop tremulous ground.

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

A disquieting Aztec sculpture displays hundreds of stone skulls representing the victims of human sacrifice.

This tiny cafe is one of the last meeting places of its kind, allowing revolutionaries a place to plot.

An often-shuddersome journey into a low-tech, robotic themepark.

From carts to cars, this leftover Roman bridge in France has managed to survive for centuries.

This ancient theater was once the home of fierce gladiatorial battles.

One of the largest ochre quarries in the world, hidden in a limestone landscape.