This disused VLF radio station is no longer in service but the surrounding town still bears its name.

Perched above the bustling town of Kerak is a sprawling, ruinous castle that has witnessed nearly a millennia of Levantine history.

A ghost village sits atop a mountain within Jordan’s largest biosphere reserve.

Known as the "Valley of the Moon," this Jordanian wadi is one of the most amazing desertscapes on Earth.

The most gigantic, swoony, intimidating trio of fingers in all of antiquity.

Gladiators battle and chariots race daily in the ruins of a once-great Roman city.

An ancient capital city that dates back 3,000 years old and harbors many surprises.

This exceptionally well-preserved ancient marvel also houses a small museum dedicated to Jordanian folk tradition.

A modern reimagining of a medieval city gate.

A radio telescope for listening to the stars, based in one of the cloudiest countries in the world.

Scale model of St. Peter's Cathedral (Rome) in the middle of a small Dutch town.

Vienna's diversity-themed traffic lights were inspired by the Eurovision Song Contest.

Vienna's giant wonder wheel had a starring role in one of the greatest noir movies of all time.

The final resting place for the remains of 143 Habsburg royalty.

The crypt of the imposing Stephensdom holds royal intestines and thousands of skeletons.

Also known as the Blue Church, the building was consecrated to the daughter of Andrew II.

Thousands of slain Soviet soldiers are buried within the shadow of this enormous obelisk.

Welcome to old Florida, where a 1940s mermaid show is still enchanting visitors.

After the attack on Pearl Harbor, rocks and fossils from every U.S. state were collected into a pyramid of national unity.

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

Structure built from the skulls of vanquished foes.

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

Eastern Bloc nostalgia, anybody?

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