There are more than 4 million bricks inside this unofficial Lego museum in a former middle school.

The "World's Largest Underground Business Complex," a 55,000,000-square-foot city underneath Missouri.

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

She asked for a potato cellar and over the next 23 years he gave her a network of holy caves.

This dark, damp, perilous tunnel is the only passage from north to south Tajikistan.

The ruins of a creative scholar's fantastical unfinished sanctuary act as his massive gravestone.

Off of the Crawfordville Highway in Florida, nature is taking back this decrepit row of Ford trucks.

This fairytale-inspired cottage was created by a university literature professor.

This historic oak tree has been around for over 300 years and might last for 300 more so long as it doesn't fall apart first.

Legends surround an ancient tree trunk riddled with nails for good luck.

This Austrian museum celebrates the work of famous forgers and their inimitable imitations.

An ultra-modern diversity park in Denmark has turned an entire city block electric pink.

Hidden in the rain-forests of Arunachal Pradesh in Northeast India lies the village of Ziro, home to the Apatanis.

Tour the luxe "glass cage" that inspired and unnerved the architecture world upon its debut.

This intricately spiralling forest was created as a monumental work of art.

The world's largest fully steerable radio telescope.

A Borgesian work of art that may blur the line between fiction and reality a little too convincingly.

This whimsical stacked cabin looks like something out of a children's book.

The angel of death appears to weep black tears at this grave marker.

Largest lake in Great Britain measured by surface area.

A small village in India bears witness to the end of birds' lives every September.

An Indian forest is being single-handedly planted after its creator was inspired by a slither of dead snakes.

One artist's love letter to his city and its citizens plays out across dozens of bright murals painted on the sides of decrepit buildings.

100 massive sculptures in the Hudson River Valley.