This colossal ancient sculpture of the monstrous Aztec rain god has a literally stormy history.

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

A museum in the former home of Marxist revolutionary Leon Trotsky.

Diego Rivera's massive tiled fountain and failed infrastructure project.

The only castle in North America to ever house European sovereigns.

The famous artist couple lived and worked here, in two different houses connected by a bridge.

Frida Kahlo's childhood home, now a museum of her life and works.

Legend says that these centuries-old trees, which pre-date their nearby church, were planted by monks.

This aqueduct with 18th-century origins is integrated into modern life in various ways in Oaxaca.

A modern feminist movement has brought to life the mural that machismo once denied to artist María Izquierdo.

The world's largest second-hand graces a clock surrounded by constantly changing flower beds. 

One of the longest wooden benches in the world snakes around Geneva's Treille Promenade.

An ancient Roman relief beautifully preserved on the façade of a house.

The official motto of Luxembourg reminds passersby of the Luxembourgish commitment to their national identity and sovereignty.

Ella Fitzgerald, opera singer Enrico Caruso, and dancer Isadora Duncan all performed in this lavish, supposedly haunted theater.

This park feels like a lush little jungle full of wildlife nestled within São Paulo.

This Brazilian palace island was once the site of the last grand ball before revolution.

A 125-meter long "tribute to the Brazilian people."

Eduardo Kobra’s breathtaking 32,300-square-foot graffiti wall took over Rio’s Olympic Boulevard.

The crypts are so large they're basically their own underground church.

Cavernous opening completely encased in Karst limestone.

A museum capturing one of the world's most famous classical composer's battle with hearing loss.

Designed as a reminder of one of the darkest moments in Austrian history.

The first modernist church in Europe.