A vast Communist-era exhibition space in the Bulgarian capital.

This ancient theater, restored in the 20th century, lives on as a venue for dramatic and musical performances.

A striking symbol of the Bulgarian capital.

A collection of art from Bulgaria's time as a communist state.

This historic black and white monastery is one of Bulgaria's architectural jewels.

A Bulgarian monument to Russia's role in World War II is constantly being painted in pop culture protest.

The most complete statue of this Aztec god sits a top a throne carved with images of hallucinogenic plants.

A 17-acre urban oasis featuring a pollinator garden, heritage trees, and an aerial tree walk.

Spectacular volcanic cliffs along the Crooked River invite hiking, rock climbing, and photography.

Multiple waterfalls and several historic CCC buildings anchor this state park in Oregon's Willamette Valley.

You might recognize this historic Oregon mansion from its appearance in 'The Goonies.'

An art gallery home to a plethora of art from local artists who can often be seen hard at work.

This café is dedicated to serving coffee roasted by Native American-owned companies.

The first North American landing spot for James Cook on his third voyage of discovery in the Pacific.

Inside a humble hangar is some of the best roller derby the world has to offer.

The short-lived railroad town in central Oregon has been abandoned since the 1930s.

The trunks of 3,000 year-old trees lurk beneath the surface of this crystal clear lake in Oregon.

Eighty million natural history specimens call this gargantuan museum home.

The popularity of Sherlock Holmes led to the creation of his fictional address, turning the orderly London street numbers askew.

Kings Cross Station pays tribute to its role in Britain's best-selling book series.

A monument to Lenin has been transformed into a statue of everyone's favorite black-helmeted, fool-choking Sith Lord.

The complex has been abandoned since the Croatian War of Independence, barring a stint as a set for 'Game of Thrones.'

A World War II evacuation tunnel turned into a history display of Croatian state and people.

An ancient knight and a symbol of the city's freedom.