Gigantic Romanian salt mines used to heal respiratory conditions.

Packed to the ceiling with antique taxidermy and hunting arms.

Said to be the only museum in the world dedicated to the most classic of all blooms, the rose.

The Grand Mall in Varna hosts one of the biggest collections of Soviet-era paraphernalia in Bulgaria.

No one knows who built this strange cave of worship or exactly why.

This massive concrete sculpture is said to be the heaviest communist monument on Earth.

This snug medieval lane is one of the narrowest streets in the world.

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

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

A celebration of all things tacky, garish, and bizarrely creative in the Romanian capital.

The small peaceful island off the Venice tourist circuit is where the city began more than 1,500 years ago.

As can be expected from a centuries old church built in a canal city, the undercroft of this house of worship is beautifully flooded.

A new sculpture calls attention to climate change in the centuries-old city it threatens.

This community on a small Venetian island has taken to painting their houses in bright neon hues.

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

The world’s first museum dedicated to the history of childhood opened in Edinburgh in 1955.

A verdant 17th-century-style garden hidden along Edinburgh’s Royal Mile.

An American ghost town hides along a side street in Scotland's capital.

This historic pub has maintained much of its 1906 decor, including a small sequestered room for women, where orders were slipped through a tiny window.

The final resting place of soldiers' loyal canine companions.

An eclectic treasure trove of maritime marvels.

These crumbling foundations are all that remain of the once-stately 1840s manor that gave the town of Bradenton its name.

A Circus legend leaves an unexpected endowment.

On the top floor of an upscale department store stands a lavish restaurant housed in a replica of a luxury French dining car.