Freddie Mercury's childhood home is now a monument to the iconic Queen rockstar.

The only place where can you share a seat with the bums of the Fab Four.

Hidden beneath the streets of London is a secret subway that only carried mail.

The crown jewel of the Queens Museum is a nearly 10,000-square-foot architectural model of the city originally built for the 1964 World's Fair.

The giant metal fruit was once the symbol of a large farm.

This unique railroad museum secretly contains the history of Poland rebuilding itself from the inside-out.

The shattered remains of the world's once tallest structure.

This innocent-looking townhome is actually a subway exit.

The last slot car racing arcade in Brooklyn is keeping the dream of speedy little autos alive.

This abandoned subway station can still be seen on regular commuter trips.

The original toys that inspired the beloved children's stories are on display at the New York Public Library.

This abandoned subway station beneath the Waldorf-Astoria hotel is allegedly used to secretly transport presidents.

From bench to vandalism to art, this silly prank seat was funny enough to become permanent.

The world's largest drain sits below the city of Kasukabe, Japan.

Small rustic cabin nested in the mountains of Killington, VT.

This small museum is an eccentric shrine to boyhood in the 1960s.

The world's longest tunnel with an undersea section.

In the quiet village of Fulmodestion, the ruins of a medieval church remain hidden among vines and foliage.

Boats must transform into railroad cars to navigate this Polish canal.