Graffiti covers the walls of a room where university students through the centuries have waited nervously to defend their theses.

An ancient Egyptian temple sits within a modern European museum.

This 11th-century castle sits so low you can't see it behind the surrounding buildings.

This still-celebrated home was a radical architectural experiment in 3D De Stijl.

This Netherlands museum holds a gloriously mechanical collection of ornate musical automata.

Oldest Museum of the Netherlands is a true cabinet of curiosities.

Colorful and chaotic stacked hotel in North Holland.

This pirate-broadcasting-tower-turned-restaurant played a rebellious role in the history of Dutch television.

Sail in for a ’dam good slice.

Cat art as far as the eye can see.

In the days before house numbers, these colorful signs held clues about various buildings' purposes.

Lumps of significant stone from around the world surround a flaming monument for peace.

In the Netherlands, one of the world's largest private car collections can be found.

A seven-century-old jail tells a not-so-pleasant history of crime and punishment.

The largest 19th century panorama in the world still in-situ.

A preserved building where the dead were once watched for signs of life.

A miniature city, once ruled by the Queen of the Netherlands.

Hidden within a Netherlands crater is a stone bed that lets those who lie in it see the sky as a curved surface.

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

A 16th-century monastery boasts a lush array of plants native to Mexico’s most biodiverse region.

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

The Mexican painter Diego Rivera created this unusual museum to display his collection of pre-Hispanic artifacts.

Resembling a 15th century medieval fortress, this home once belonged to a legend of Mexican cinema.

In Coyoacán, a pair of coyotes crown a public fountain in reference to the ancient Aztec name of the borough.