October is National Breast Cancer Awareness Month. Many people wear pink to show their support for the cause, and organizations hold fundraisers to promote breast cancer research. Check out some national landmarks that have lit up pink for Breast Cancer Awareness Month.

1. Buckingham Palace

Image by PA Wire/Press Association Images via Facebook

In October 2012, the skyline in London was dotted with pink lights to show support for breast cancer. Buckingham Palace was just one of the landmarks that went pink.

2. The Tower of London

Image by Hotel Solutions via Facebook

The Tower of London also lit up pink for Breast Cancer Awareness Month in 2012.

3. Old Joe Clocktower

Image by Graham Stone/REX via Facebook

The Old Joe Clocktower at The University of Birmingham showed its support for breast cancer awareness by lighting up pink in 2014.

4. The White House

Image by Barack Obama via Facebook

In October 2013, the White House lit up pink in honor of Breast Cancer Awareness Month.

5. Tower of Americas

Image by Tower of the Americas via Facebook

The Tower of America in San Antonio was illuminated with pink lights in October 2013 to show support for National Breast Cancer Awareness Month.

6. Taj Mahal Palace and Tower

Image by The Taj Mahal Palace & Tower via Facebook

Breast cancer awareness reached India in October 2014, when the Taj Mahal Palace and Tower was illuminated in pink lights.

7. Tokyo Tower

Image by Cometojapan via Facebook

On October 1, 2014, the iconic Tokyo Tower in Tokyo, Japan, was lit pink in a showing of support for Breast Cancer Awareness Month.

8. Empire State Building

Image by Empire State Building via Facebook

The Empire State Building in New York lit up pink on October 2014 to bring awareness to breast cancer.