Oregon's unexpected high desert, displaying layers of time in a colorful show.

Post office plaque commemorates local resistance to a cult invasion.

This ornate church has survived Nazi and Soviet occupation, including a short stint as a Soviet-era gymnasium and cinema.

A stone marker and sculpture in the city of Riga stake a claim for the very first community Christmas tree.

The mile-long pier stretches from a ruined fortress out into the Baltic.

Flamboyant architecture from the turn of 20th century.

A black cat protests the City Guild in Riga's Old Town.

A preserved oak tree about 3,500 years old found in Riga, Latvia.

Latvia's symbolic mountain-shaped national library is home to millions of cultural tomes.

The widest waterfall in Europe is a natural wonder and one of the only places where fish are caught in the air.

3,000 market stands in five former Zeppelin hangars.

The former Nazi concentration camp stands as a museum to remember this dark chapter in European history.

An underground city of salt.

This uber-quaint Polish village is known for its habit of painting elaborate floral motifs on just about everything.

Extremely famous in his native country, this Cracovian painter is all but unknown beyond Polish borders.

St. Mary's features one of the most spectacularly decorated cathedral interiors in all of Europe.

Beneath Kraków Old Town's main square lies a hologram-filled medieval market vampire graveyard wonderland.

An enormous and lavish Gothic church in Czechia.

A church of bones, decorated with 40,000 human skeletons.

One of the few surviving "Wigwam"-themed motels.

This boulder stays on its mountain thanks to a huge chain and on the map due to local legend.

Moonbows over Kentucky.

The world's longest known cave system.

During the summer, surfers in Alaska take advantage of this inlet’s unusual water patterns.