This Slovakian statue of an emerging sewer worker might just be a bronze peeping tom.

The largest fountain in Bratislava.

A former top secret nuclear fallout shelter now operates like a hotel stuck in the Cold War.

A peculiar clock commemorates a historic victory won by ringing the noonday bell an hour early.

Op-art architecture designed for happiness.

Pillars made of 700 pieces of luggage climb to the ceiling of Sacramento Airport's baggage claim.

Dive into an undersea optical illusion off the coast of Mauritius.

The “Thumb” of Mauritius provides a 360 degree view of the entire country.

This small group of sand dunes manages to pack in a strange rainbow of colors.

An island filled with hundreds of hanging, decomposing, decapitated dolls.

Once the home of a hermetic monk, this cave now houses a small church.

This vestige of Seychelles’s colonial past now resides in a busy intersection and didn’t chime for its first 96 years.

Looking strangely like Rome's Colosseum, this unfinished tower has dominated the skyline for over 100 years.

The world's tallest statue of an American hero.

A master plumber has turned his love of art and toilets into a folk museum that's not taking the piss.

The FBI's urban training course may have the highest fake crime rate in the world.

The remains of a failed attempt at medieval nerdery are hidden deep in the woods of Virginia.

A home that witnessed Civil War combat on the Sunken Road has the battle scars to prove it.

Constructed by the younger brother of George Washington.

This plaque celebrates the sister city relationship between Fredricksburg and Fréjus.

This whimsical fountain pays tribute to Toronto's four-legged friends.

The Victorian-era greenhouse is stuffed with tropical plants, and open 365 days a year.

Legend has it the lovelorn tears of a princess and a shepherd boy formed the blue and green twin lakes in the Azores archipelago.

This abandoned five-star hotel is now a five-star urban exploration destination.