This abandoned NASA launch site is now a memorial to a trio of astronauts who were killed there.

A monument celebrating the idea of reaching inaccessible places.

A tribute to Ponce de Leon's supposed quest for eternal youth.

A luxurious 1880s hotel with its fair share of Tiffany stained glass, Edison electricity, and of course, ghosts.

These unusual rooms on wheels are holdovers from the 1960s.

Extraordinary objects lurk in this quintessential regional museum.

Scenic mount trashmore, Virginia Beach's most curious waterfront still has a couple of secrets.

The Grand Ole Opry's big voice came from a small home in rural Virginia where she was eventually buried.

The Virginia farm where John Wilkes Booth met his grisly end is now largely forgotten.

Outsider art meets paleontology at this roadside reptile repository.

This massive airship factory is so large that it has its own indoor weather.

Deep scars on the earth left by the Ice Age.

Amsterdam's Red Light District leaves little to the imagination.

This museum housed in a former brothel explores the past and present of sex work in Amsterdam.

The history and future of cannabis.

A floating cat sanctuary on an Amsterdam canal.

Macabre astrological automaton clock dating to the late 1400s.

Romania's triumphal arch looks out over Bucharest.

This communist behemoth is the heaviest building in the world and a legacy of a brutal regime.

The legendary cliffside castle of three-time Voivode of Wallachia, Vlad the Impaler.

This solitary monastery may hold the remains of Vlad the Impaler (but probably not).

The possible imprisonment of Vlad the Impaler here earned the medieval castle its nickname, "Dracula's Castle."

This elaborately decorated, fairytale-like Romanian royal palace is one of the most striking castles in Europe.

Disney's abandoned animal island is now an overgrown ruin that was almost the coolest attraction ever.