This American Civil War-era fort still stands near the border between Washington, D.C. and Maryland.

This large garden vase urn has nothing to do with the seventh U.S. President—it was designed by one landscape designer to honor another landscape designer's contributions to the National Mall.

Railroad officials in the early 1900s sought to spare travelers the sight of Roman soldiers’ private parts.

Also known as the Founding Church of Scientology.

The privately owned cemetery that holds room for Washington's finest when they step down from life.

Housing the National Women's Party since 1929, this historic house is now a monument to the fight for gender equality.

In addition to over 80 vehicles on display covering over 100 years of motorcycle history, this free museum focuses on the people who ride and love these bikes.

Victorian "Fancy Craft" Hair Wreaths and Relics.

The Denver airport is guarded by a 32-foot-tall sculpture of a demonic horse.

The grounds of former plantations where abolitionist Harriet Tubman spent her youth enslaved are now a museum to her incredible life.

Commercial airplanes land mere feet over the heads of sunbathing beachgoers on this tiny island.

Where Saint-Martin ends and Sint Maarten begins (or vice versa).

Buenos Aires' city of the dead contains some very famous remains, including Eva Perón.

Collection dedicated to brands, packaging and advertising.

You will not be able to miss this building.

This one-of-a-kind indie publisher-bookshop specializes in archiving historic red-light districts and niche cultural topics of the Shōwa era.

The last four extravagant street signs of London's historic banking street.

An incarceration museum on the spot of possibly the oldest prison in England.

The "lost friend” is the most famous of the six moai statues that were removed from Easter Island.

A plaque pays tribute to the artist's longtime London home.

Charles Babbage's proto-computer, painstakingly brought to life.

The revival of a classic Art Deco theater.

Some 80,000 Delft Blue tiles line the inside of this Amsterdam walkway.

A poignant museum dedicated to the history of the Dutch resistance against Nazi occupation