This Nigerian nature reserve is home to the longest canopy walkway in Africa.

An intricately designed junk art house with four extravagant junk art cars hidden in the suburbs.

Descend 2,030 years into the past in an ancient tunnel built to support Jerusalem's most famous wall.

This historic textile city was abandoned after being ravaged by fire.

A metal ring in the middle of the road marks the exact spot where the Soviet satellite crash-landed in 1962.

This volcano rises like a giant anthill from the plains below, with a road spiraling up to the rim.

The thousands of shades on display — some toxic, others impossibly rare — are a library of more than just color.

A striking, menacing sandstone peak towering above a landscape that's equal parts Mordor and the Moon.

Once where royalty entertained guests, this opulent table is now one of the longest in the world.

Sleep in a glass pod dangling off a cliff.

One of the world’s largest living advertisements is made out of pine trees.

Come for the boats, stay to explore the intriguing assortment of art.

The ruins of an ancient Zoroastrian Tower of Silence believed to be the earliest example of the traditional funerary practice.

This narrow coastline trail through the dense Kauai wilderness is among the most beautiful and dangerous in the world.

Over 80,000 carved wood blocks make up one of the world's oldest intact Buddhist canons.

The house's confection-like decorations are the result of one man's painstaking work over decades.

The only thing stranger than stumbling onto these philosophical musings is the story of the homesteader who created them.

Since the 1700s, this old barrel has acted as a post box that relies on the kindness of travelers.

The medieval network of canals hidden underneath the city is opened to explorers each year.

An eccentric inventor's castle home with its own indoor weather system.

Colloquially known as “piss alley,” this narrow street filled with tiny bars and barbecue stands looks like it was pulled straight out of “Blade Runner.”

One of the few existing, fully functional Showbiz Pizza animatronic shows.

A sculpture of a giant man escaping from the depths of the Earth.

These hellish-looking cliffs in the Canadian Arctic have been burning for centuries.