Sitting in the basement of a castle, the largest wine barrel in the world is bigger than most apartments.

In this German city center, the streets have no names.

This baroque palace displays an impressive collection of taxidermy, art, and rare objects from the days of courtly hunting.

While you wait to cross the street at a traffic light in Mainz, you might notice that the light is staring back at you.

A rare chance to ride one of the few continuous elevators still in operation.

Fantastic views and thousands of love locks.

A series of abstract, silly sculptures represent the works of a great modern classical composer.

An "inside out" building in the historical center of Paris, featuring Europe’s largest modern art museum.

The vast, legendary catacombs hold secrets much stranger than stacked bones.

A bright and wacky exhibit answers every question you may have had about human excrement, flatulence, and more.

A monument to the civilian victims of the Japanese Occupation forces of World War II.

A replica of the lost rock cliff that was once significant in Singapore's maritime history.

This statue was a gift to commemorate the Thai monarch's first visit to a foreign land.

The oldest Muslim cemetery in Singapore, with a strong royal connection.

Rainbow shutters decorate this former police station.

A manifestation of modernist architectural ideas, this massive, multi-purpose building was one of the first of its kind in Southeast Asia.

A ring of soy sauce bottle bases decorate an important Singaporean landmark.

One of the largest Chinese cemeteries outside of China spent years overgrown and forgotten.

This black sand beach was crafted from volcanic explosions including the historic Minoan eruption.

While not Turkey's deepest underground city, this subterranean redoubt is the largest.

Climb a steep hill in 90 seconds on the second-oldest urban subway in the world.

The cursed island of black pebbles.

Surrounded by a serene and tranquil environment, this magnificent columbarium is the popular final resting place for many families to house their departed loved ones.

The family compound and final resting place for the philosopher, Confucius, and over 100,000 of his descendants.