The charmingly disheveled clock tower of Tbilisi's puppet theater.

A museum glorifying the life of Stalin, located in the city of his birth.

Despite being tiny and rural this Georgian airport looks like a sci-fi boondoggle.

Fortified homes of highland warriors that are still in use today.

These Stalin-era industrial 'death traps' hang lifeless above the city

Small church on top of a huge rock column.

This neon lit Georgian cave claims to hold the boulder Prometheus was chained to.

The decaying remains of a once-luxurious Soviet spa town.

An interactive exhibition space dedicated to the kinetic sculptures of Swiss artist Jean Tinguely.

The smallest museum in Basel, Switzerland, is a two-foot-by-two-foot window in the door of a 600-year-old house.

The world's longest and deepest train tunnel.

One of a series of no-purpose kinetic artworks by Swiss sculptor Jean Tinguely.

The rotting skeleton of a shoreside fun fair that was destroyed by fire and storms still haunts the Brighton ocean view.

Trick water gardens from 1619 featuring a 200 piece mechanical theater powered by water.

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

This obscure walkway links Edinburgh’s Old Town with one of the city's prime vantage points.

The most loyal of little dogs, or a Victorian era publicity stunt?

There are plenty of wonderful panoramic vistas in Edinburgh, but not many are hidden smack in the middle of the Old Town.

17th century streets hidden under Edinburgh were once a breeding ground for the black death.

360° views of the city plus five floors of optical illusions and hands-on science.

A charming 17th-century alley is lined with secondhand bookstores and antiquarian shops.

This ornate Victorian marketplace was the setting for Diagon Alley and the Leaky Cauldron in the Harry Potter films.

An expansive complex of subterranean tunnels is all that remains of one of Europe's most formidable medieval fortresses.

Elaborately carved to showcase the glorious wealth that the age of exploration brought to the Portuguese empire.