Places mascall Wants to Go

An engineering marvel at the time of its construction, this cross-border waterway sought to connect the Black Sea to the Baltic.

The apartment building where JFK's assassin lived after defecting to the Soviet Union.

This Minsk museum has cat coffee, cat chess, cat art, and even a cat "staff," which visitors are free to take home.

Remains of the old fortification along the Western border of the USSR, now an elaborate defense museum.

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

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

A small museum in this border city displays the contraband art that has been stolen back from smugglers.

This rare collection of human deformities displays fetuses with two faces, one eye, and "mermaid" legs.

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

Structure built from the skulls of vanquished foes.

A grand Yugoslav memorial to the group of partisans who fought and died resisting western Serbia’s Nazi occupation.

A sinuous path among steep cliffs creates a stunning sight in southwestern Serbia.

This memorial park stands on the site of one of the largest mass executions of the Second World War.

A Red Cross memorial museum at the site of the Niš concentration camp that operated for four eventful years during World War II.

Serbia's master of striking memorials erected a forgotten, hidden gem in the hills outside a tiny village.

Curious carved stones and bird-like wings are a symbol of Serbian resilience and freedom on the site of a WWII massacre.

This symbol of Yugoslav liberation decorated with 620 carved heads of mythical creatures is now a forlorn relic of another time.

For over 40 years, this quaint little house has teetered on a rock in the middle of a river.

This spaceship-like Serbian monument reaches for the stars in celebration of the fallen fighters of fascism.

A relic from one of London's worst 19th-century slums.

A program of Communist glamour in post-Stalin Poland is preserved in this colorful museum.

A hidden art gallery in an abandoned Warsaw fort.

This French castle is said to have once held the Holy Grail but is now a gorgeous mountaintop ruin.

Hidden in a grotto 26 feet below Nottingham's oldest hotel, this stylish subterranean drinking den is notoriously hard to find.