This tea house was a hand-built gift from Boulder's sister city in Tajikstan.

When this 160-year-old church was being built, a stonemason included a hidden homage to his late daughter.

This gallery is home to everything from antiques, to ancient tribal masks.

Final resting place of a 19th century gold prospector and convicted cannibal.

In the middle of a suburban Denver neighborhood is a cave that once provided solace for a prominent Ute chief and his family.

In the middle of a busy airport, a statue honoring the astronaut who told Houston that Apollo 13 had a problem.

Where scientists keep miles of very valuable ice from Antarctica and Greenland from melting.

Wall to wall taxidermy at Denver's oldest and most exotic steakhouse.

This modern antique shop is a museum for 1980's Saturday morning cartoon culture.

A mural and a few historical markers commemorate Denver's once-thriving Chinatown, which was obliterated in a racist riot.

This eclectic collection documents the wild legacies of "America's Wickedest Street."

Curios, scientific antiques, oddities for sale.

One of three remaining theatres in the United States created in the Art Deco Mayan Revival style.

One of the oldest art supply stores in the United States.

The first museum in the U.S. to address human rights issues in China.

The only Leonardo Da Vinci painting in the Western Hemisphere.

Helen Keller once broke ground on this historic center for the study of technologies to benefit the hearing impaired.

The grounds of former plantations where abolitionist Harriet Tubman spent her youth enslaved are now a museum to her incredible life.

Press 1 for knock-knock jokes.

One of the most influential presidents in U.S. history wanted only this plain, elegant monument as his lasting memorial.

An unassuming, powerful monument north of the U.S. Capitol bears witness to the resilience of Japanese Americans during a time of grave injustice.

The district's only illusionarium supports free writing programs for local students with every purchase.

The towering figures were created from the cemetery's fallen old-growth trees.

The remains of Martha, the last known passenger pigeon, serve as a tool to educate about conservation.