A palatial former bank building now houses what may be the poshest art venue (and former Tesco) in Belfast.

These barriers stand as stark reminders of Northern Ireland's troubled past.

This massive collection of British military artifacts includes the heartbreaking personal letters of the men in the trenches of WWI.

Banksy gives themself artistic license with this piece of London street art.

This elaborate towering structure was once famed for its revolutionary height.

Alexander Hamilton’s creation caused quite a bit of controversy.

Yo, Adrian!

The first American department store, and home to the largest operating musical instrument in the world.

This charming colonial alleyway is one of the oldest continuously used residential streets in the U.S.

The beloved beast's taxidermy remains sit in the Natural History Museum's cafe.

The only monument to name all of the passengers and crew who died on the RMS Titanic.

This massive monument has been telling the time for 150 years—at a slight angle.

These murals stand as reminders to the troubled history of this Northern Ireland city.

Once one of the largest rooms full of books in the world, this bookstore basement is still a treat for bibliophiles.

The best place for scenic views of the DMZ and North Korea.

A large visitor's complex and place of remembrance on the outskirts of the DMZ.

The ornate structure is part of a building boasting more marble than the Vatican.

This volcanic plug boasts the longest recorded history of any Scottish stronghold.

This colorful but controversial ceiling has been likened to a 21st-century Sistine Chapel.

The dining hall that nourishes workers in Chernobyl's Exclusion Zone is also open to visitors.

From Ancient Rome to WWII, Neupfarrplatz has over 2,000 years of history underneath its main square.

Its collection includes a broad array of social, geographic, graphic design, and political history.

England's most famous front door has an accidental doppelganger.

The pretty iron lamp is a reminder of the architecture underneath London's streets.