Troublesome students were detained in this tiny graffiti-covered university jail.

A statue of the Soviet leader still stands in a quiet corner of Estonia’s most Russian city.

This ornate church has survived Nazi and Soviet occupation, including a short stint as a Soviet-era gymnasium and cinema.

Mysterious heaps of stones dot these otherworldly woods.

Even for Egyptian royalty, the afterlife was bring-your-own-beef.

A large boulder marks the place where the island of Manhattan was purportedly "sold" to the Dutch.

While it now takes more than a dime to open an account this historic Brooklyn bank still displays the opulence of the gilded age in which it was built.

The first piece of public art dedicated to LGBT rights.

There are owls with glowing eyes in Herald Square.

One kilometer of thick brass rod laid out before your eyes.

The mummified relics of an American missionary.

A modern zoetrope on the New York City subway.

A dark patch of the ceiling at Grand Central Terminal which was not restored is still stained brown by tobacco.

This historic address is home to the beloved ball and is an almost totally empty building among the most expensive real estate in the world.

Little Red Lighthouse under the George Washington Bridge.

The most confusing clock in New York.

Salute the leader of the proletariat.

There must be a pun in this haystack somewhere...

Hordes of precariously balanced stone figures crowd the shores of the Hudson River.

A clock set into the concrete outside a Manhattan jeweler has been telling time underfoot for over a century.

Plot your trip through the city on the sidewalk.

A bit of retro transportation flair preserved in the world's largest department store.

This sculpture by artist Fritz Keonig survived the 9/11 attacks and now stands as a monument to the victims.

The world's oldest hologram gallery and the labyrinthine laser laboratory of a holography pioneer.