Stunning ruins of what was once the center of one of the greatest empires in East Africa.

This doorless 20th-century elevator doesn't stop or slow down.

A steampunk-styled three-floor factory churning out art, activism, and electronic beats.

Two stunning 17th-century libraries and a cabinet of curiosities.

A memorial to the British politician who spearheaded the National Health Service.

This 6th-century church honors St. Tudno, the patron saint of Llandudno.

This 19th-century island fort built to protect against an invasion by sea.

An amazing collection of curiosities hidden in a small Welsh village.

One of the few surviving street funiculars in the world.

Out of all the statues of Ho Chi Minh in Vietnam, this one is the tallest and the most impressive.

Twice a day a speeding train passes only inches from the homes of this residential neighborhood.

This narrow Ghent alleyway is an officially sanctioned street art tunnel.

This giant urban staircase was built to keep the city's brave fighting men from getting waylaid in the red light district.

The "stairway to heaven" lookout tower was built to resist weather, arson, and the laws of physics.

Because sometimes you need to make a batch of frites even when the stores are all closed.

A fantastical bed and breakfast with magically unique rooms.

This strange statue features a bust of the famous composer plopped atop a woman's body.

The medieval "dragon" on an Austrian city's coat-of-arms comes to life in a fountain.

The site of Austria's biggest concentration camp now honors its victims.

An IT-specialist-turned-farmer reintroduces an Austrian food tradition while promoting snails as a sustainable "future food" option.

Inside the corridors of this flea market, visitors are sure to find some obscure and odd treasures.

An ornate private entrance to the Vienna subway built specifically for the emperor.

Mozart's skull may be held in this collection, but definitive proof continues to elude scientists.

This series of Baroque passageways in Vienna's cultural center mix old architecture with modern art.