This series of Armenian caves held the oldest brain, shoe, and winery in the world.

One of the most scenic stretches of road in America winds between some of the country's oldest trees.

The longest living non-clonal organisms on Earth.

One of the oldest living oak trees in the Southeast.

A system of constructed rapids and concrete waterfalls in a linear park on the Slepnya River.

The old fire station features a mural that has more to it than first meets the eye.

A beautiful and moving memorial set on a little island in the middle of the river in Minsk.

A striking Soviet memorial commemorates the liberation of Belarus from the Nazis.

Glowing orb in Minsk houses 8,600,000 items.

Remnants of the city's Soviet history hover over this modern fast-food outlet.

Thanks to its heroic service during WWII this Soviet castle has been turned into a monument towered over by a brutalist titan.

A spherical "micro-nation" in the heart of Vienna.

Apartment complexes built into huge repurposed natural gas tanks.

Austria's 5-star prison.

Baroque celebration of the end of the Great Plague of Vienna.

The house that took a plunge into the facade of a museum.

This outsider art house has gone from clinical creation to astounding artwork.

Bizarrely-painted church designed by a controversial artist.

This former insane asylum now holds a pathological anatomy museum.

A tropical paradise just a short trip from the opera house is filled with beautiful winged creatures.

The largest ice cave in the world is thought to be the entrance to hell according to Austrian legend.

The world's largest collection of intentionally useless inventions.

A centuries old castle atop a dormant volcano houses museums devoted to both women and witches.

Visitors dip into a variety of pools of what was once ice.