A traditional American farmhouse plopped in the middle of a Piccadilly courtyard.

The fences outside some of South London's estates are made from recycled World War II stretchers.

No one's quite sure why there's a metal megaphone bolted on two rocks in the middle of the Mojave Desert.

A strangely curved lamppost stands tall over this avenue in Rotterdam.

A staggering number of rock carvings in an abandoned quarry.

The largest of Denmark's seven mysterious round churches stands on an island in the Baltic Sea.

The first (but not only) upside-down house in Germany.

These rustic holiday homes are made from discarded fishing boat hulls.

The singular ruins of a mysterious lost city.

Trek into the depths of the cave where 17,000-year-old paintings exist alongside 400-year-old graffiti.

The blinking light atop the iconic landmark has been sending secret messages for decades.

This obscene artwork on the side of a newspaper office pokes fun at a rival paper's former editor-in-chief.

This collection of 80 polarizing foods aims to challenge your subjective notions of repulsion.

Hackney's newest private museum and natural curiosity shop.

The city of Palestrina was built around this magnificent terraced sanctuary dedicated to the pagan goddess Fortuna.

A seven-story 1920s mausoleum outside Denver houses thousands of remains.

The dairy farm in upstate New York where nearly half a million people gathered for three days of peace and music in 1969.

This 700-year-old structure is one of the most unique architectural and historic monuments in Gdańsk.

A curious museum of old video game consoles hidden in the back of a store.

It took 40 years to build this Eden-like garden in Marrakech, later restored by Yves Saint-Laurent.

A medieval house adorned with enigmatic carvings, including one of a man displaying his masculine attributes.

A mysterious inscription may hold a clue about the "Lost Colony" of Roanoke.

These haunting ruins of a 700-year-old Prehispanic city have witnessed centuries of wars and massacres.

Transport yourself to the 1980s era of video games at this themed restaurant and bar.