Europe's second largest ossuary wasn't discovered until 2001.

Mummified monks and the accidentally interred, in a 17th-century crypt.

This tipsy office building in downtown Prague was originally called “Fred and Ginger.”

Bullet holes in the church wall are a reminder of the violence that followed the assassination of a high-ranking Nazi officer.

The modest, restored home of the legendary ragtime musician John William "Blind" Boone.

American involvement in World War I officially ended in 1921 in New Jersey, three years late and thousands of miles from the battlefield.

A surreal, interdimensional shopping center and portal to another universe by Meow Wolf.

A giant open-air sculpture made of over 200 full-sized boats.

A sculpture made from recycled materials and hand-blown glass dedicated to transportation and transformation.

A psychological self-portrait in the form of a giant, segmented head.

This 47-foot chile pepper sculpture welcomes Scoville heat unit obsessed tourists to the Big Chile Inn.

The state bird of New Mexico, constructed entirely out of garbage.

Explore the largest pure gypsum deposit in the world, and go dune sledding while you're at it.

A symbol of Texas pride.

The only rotating bar in New Orleans has been slowly spinning since 1949.

Dine amidst exotic plants at this former royal greenhouse.

The deepest sinkhole in Central Europe comes with a grisly tale and an unusual nickname: “The Stepmother Abyss.”

Around 100,000 bodies are buried below the medieval headstones, many of which mark graves with multiple bodies stacked up to 12 deep.

The slender brass strip in Prague's Old Town Square was used to tell time from 1652 to 1918.

A bust of Franz Kafka spins in pieces, reflecting the writer's inner torment.

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

Synagogue built from the stones of Solomon's temple contains the golem of Prague.

A turn of the century building boasting some of the most beautiful art nouveau architecture in Prague.

An enormous and lavish Gothic church in Czechia.