This Melbourne bank has unique Gothic-style architectural features and is one of the most majestic operating bank branches in the world.

Victoria's largest salt lake is a favorite haunt for photographers and stargazers.

A lakeside garden in the Southern Alps full of whimsical artwork and thousands of beautiful flowers.

The ceiling of Prohodna Cave in northern Bulgaria affords a peek at the sky via two deity-sized-eye-shaped holes.

A massive cave once a secret military base is now home to thousands of bats.

This large open-air museum showcases the ordinary lives of the people of the Netherlands and pre-industrial crafts and practices.

For years, the remains of this ancient Roman fortress were hidden under an orchard.

An interactive museum dedicated to preserving and sharing the history of the home computer.

Some 80,000 Delft Blue tiles line the inside of this Amsterdam walkway.

Unsurprisingly, Holland is home to one of the most magnificent flower gardens in the world.

The Bloemen Route, or “Flower Route”, stretches 25 miles through prime Dutch tulip country as a result of “tulip mania,” the world’s first economic bubble.

When the tide is high, you can see the Atlantic pushing up through a deep, jagged hole in the rock.

Hundreds of stone stairs and a winding medieval bridge connect this haunting Spanish island to the mainland.

A steampunk-styled three-floor factory churning out art, activism, and electronic beats.

A 2000-year-old Roman amphitheater lies just below Guildhall Yard.

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

Three bridges and one giant canyon make up this fantastic Spanish settlement.

This hidden green space is the city's second largest conservatory.

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

This eye-popping Icelandic crater lake is surrounded by red volcanic rock.

One of Canada's most incredible rare book collections holds hundreds of thousands of gorgeous tomes that the general public can touch.

A island reachable by a causeway at low tide is possibly one of the earliest Western European locations to be identified in text.

This floating garden in the sky is straight out of a fairy tale, but the real thing is nothing short of magical.

The longest hedge maze in the world.