Started as a kitchen garden, now the second largest botanical garden in the world.

Iceland's "Smoky Valley" is a beautiful river that is shrouded in a constant cover of steam clouds.

An architectural marvel that spans the Arda River, and has stories of a haunted past.

Mirrors and glass shards cover every inch of this arrestingly beautiful mosque.

One of the most popular megalithic sites in Ireland stands as a humbler version of Stonehenge.

A mysterious light floating in the trees of Arkansas may be a piezoelectric effect.

Dolphins, ancient clams and hundreds of waterfalls make this one of the world's top tourist destinations.

Rent out a glass igloo to watch the Northern Lights like you live in the future.

Hidden in a secluded Greek cove is a pristine beach marred only by the rusting smuggler's hulk stranded on its shores.

A stratovolcano located in the south of Iceland, with a long history of charted activity and a rich mythology attached.

A town church once nearly submerged by the damming of a river is now hauntingly visible as the water recedes.

Strange red rock formations that have been attributed to a higher power for hundreds of years.

This Japanese-inspired labyrinth of hot springs is hidden in a Chilean forest.

This strange seaside tower got its name from a wealthy eccentric who would hide coins among its stones.

This small town in the Netherlands has no roads but instead, miles of canals and over 100 bridges.

A vast overgrown cemetery, once known as one of London's "Magnificent Seven."

California's own medieval Italian castle, authentic down to the 300-year-old iron maiden in the dungeon.

Named after a bandit and the star of several Hollywood prehistoric landscapes, these sandstone formations are a historical part of the Los Angeles natural landscape.

One of the most scenic stretches of road in America winds between some of the country's oldest trees.

Experience park where visitors are told to expect the unexpected.

Vortex-shaped aquarium hosts Europe's largest school of piranhas and other ocean creatures.

A psychological self-portrait in the form of a giant, segmented head.

This odd Chilean waterfall-cano hotel must be entered via a rope bridge.

Two thousand artifacts from around the world collected by one woman who loved to travel.